⬆ Bump mypy from 1.19.1 to 1.20.0 - #1843

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svlandeg merged 1 commit into
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dependabot/uv/mypy-1.20.0
Apr 3, 2026
Merged

⬆ Bump mypy from 1.19.1 to 1.20.0#1843
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0

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Bumps mypy from 1.19.1 to 1.20.0.

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 1.20

We’ve just uploaded mypy 1.20.0 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Planned Changes to Defaults and Flags in Mypy 2.0

As a reminder, we are planning to enable --local-partial-types by default in mypy 2.0, which will likely be the next feature release. This will often require at least minor code changes. This option is implicitly enabled by mypy daemon, so this makes the behavior of daemon and non-daemon modes consistent.

Note that this release improves the compatibility of --local-partial-types significantly to make the switch easier (see below for more).

This can also be configured in a mypy configuration file (use False to disable):

local_partial_types = True

For more information, refer to the documentation.

We will also enable --strict-bytes by default in mypy 2.0. This usually requires at most minor code changes to adopt. For more information, refer to the documentation.

Finally, --allow-redefinition-new will be renamed to --allow-redefinition. If you want to continue using the older --allow-redefinition semantics which are less flexible (e.g. limited support for conditional redefinitions), you can switch to --allow-redefinition-old, which is currently supported as an alias to the legacy --allow-redefinition behavior. To use --allow-redefinition in the upcoming mypy 2.0, you can't use --no-local-partial-types. For more information, refer to the documentation.

Better Type Narrowing

Mypy's implementation of narrowing has been substantially reworked. Mypy will now narrow more aggressively, more consistently, and more correctly. In particular, you are likely to notice new narrowing behavior in equality expressions (==), containment expressions (in),

... (truncated)

Commits
  • 770d3ca Remove +dev from version
  • 4738ffa Changelog updates for 1.20 (#21109)
  • b4f07a7 Use 'native-parser' instead of 'native-parse' for optional dependency (#21115)
  • 7bec7b7 [mypyc] Document librt and librt.base64 (#21114)
  • c482596 --allow-redefinition-new is no longer experimental (#21110)
  • c916ca3 sdist: include misc/{diff-cache,apply-cache-diff}.py for `mypy/test/test_di...
  • b137e4e [mypyc] Speed up native-to-native imports within the same group (#21101)
  • 978b711 [mypyc] Fix range loop variable off-by-one after loop exit (#21098)
  • 67ada30 [stubtest] Check runtime availability of private types not marked `@type_chec...
  • bdef6ef librt cache tests: build respecting MYPY_TEST_PREFIX (#21097)
  • Additional commits viewable in compare view

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Bumps [mypy](https://github.com/python/mypy) from 1.19.1 to 1.20.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v1.20.0)
---
updated-dependencies:
- dependency-name: mypy
dependency-version: 1.20.0
dependency-type: direct:development
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
@dependabotdependabotBot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Mar 31, 2026
@github-actionsgithub-actionsBot added the internal Internal changes label Mar 31, 2026
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📝 Docs preview

Last commit 1b420bb at: https://0702d1c5.sqlmodel.pages.dev

Comment threaduv.lock
@svlandeg
svlandeg merged commit fc632a7 into mainApr 3, 2026
35 checks passed
@svlandeg
svlandeg deleted the dependabot/uv/mypy-1.20.0 branch April 3, 2026 09:06
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Skip to content

⬆ Bump mypy from 1.19.1 to 1.20.0 - #1843

Merged
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0
Apr 3, 2026
Merged

⬆ Bump mypy from 1.19.1 to 1.20.0#1843
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0

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Bumps mypy from 1.19.1 to 1.20.0.

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 1.20

We’ve just uploaded mypy 1.20.0 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Planned Changes to Defaults and Flags in Mypy 2.0

As a reminder, we are planning to enable --local-partial-types by default in mypy 2.0, which will likely be the next feature release. This will often require at least minor code changes. This option is implicitly enabled by mypy daemon, so this makes the behavior of daemon and non-daemon modes consistent.

Note that this release improves the compatibility of --local-partial-types significantly to make the switch easier (see below for more).

This can also be configured in a mypy configuration file (use False to disable):

local_partial_types = True

For more information, refer to the documentation.

We will also enable --strict-bytes by default in mypy 2.0. This usually requires at most minor code changes to adopt. For more information, refer to the documentation.

Finally, --allow-redefinition-new will be renamed to --allow-redefinition. If you want to continue using the older --allow-redefinition semantics which are less flexible (e.g. limited support for conditional redefinitions), you can switch to --allow-redefinition-old, which is currently supported as an alias to the legacy --allow-redefinition behavior. To use --allow-redefinition in the upcoming mypy 2.0, you can't use --no-local-partial-types. For more information, refer to the documentation.

Better Type Narrowing

Mypy's implementation of narrowing has been substantially reworked. Mypy will now narrow more aggressively, more consistently, and more correctly. In particular, you are likely to notice new narrowing behavior in equality expressions (==), containment expressions (in),

... (truncated)

Commits
  • 770d3ca Remove +dev from version
  • 4738ffa Changelog updates for 1.20 (#21109)
  • b4f07a7 Use 'native-parser' instead of 'native-parse' for optional dependency (#21115)
  • 7bec7b7 [mypyc] Document librt and librt.base64 (#21114)
  • c482596 --allow-redefinition-new is no longer experimental (#21110)
  • c916ca3 sdist: include misc/{diff-cache,apply-cache-diff}.py for `mypy/test/test_di...
  • b137e4e [mypyc] Speed up native-to-native imports within the same group (#21101)
  • 978b711 [mypyc] Fix range loop variable off-by-one after loop exit (#21098)
  • 67ada30 [stubtest] Check runtime availability of private types not marked `@type_chec...
  • bdef6ef librt cache tests: build respecting MYPY_TEST_PREFIX (#21097)
  • Additional commits viewable in compare view

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  • @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

Bumps [mypy](https://github.com/python/mypy) from 1.19.1 to 1.20.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v1.20.0)
---
updated-dependencies:
- dependency-name: mypy
dependency-version: 1.20.0
dependency-type: direct:development
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
@dependabotdependabotBot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Mar 31, 2026
@github-actionsgithub-actionsBot added the internal Internal changes label Mar 31, 2026
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📝 Docs preview

Last commit 1b420bb at: https://0702d1c5.sqlmodel.pages.dev

Comment threaduv.lock
@svlandeg
svlandeg merged commit fc632a7 into mainApr 3, 2026
35 checks passed
@svlandeg
svlandeg deleted the dependabot/uv/mypy-1.20.0 branch April 3, 2026 09:06
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

⬆ Bump mypy from 1.19.1 to 1.20.0 - #1843

Merged
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0
Apr 3, 2026
Merged

⬆ Bump mypy from 1.19.1 to 1.20.0#1843
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0

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@dependabotdependabotBot commented on behalf of githubMar 31, 2026

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Bumps mypy from 1.19.1 to 1.20.0.

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 1.20

We’ve just uploaded mypy 1.20.0 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Planned Changes to Defaults and Flags in Mypy 2.0

As a reminder, we are planning to enable --local-partial-types by default in mypy 2.0, which will likely be the next feature release. This will often require at least minor code changes. This option is implicitly enabled by mypy daemon, so this makes the behavior of daemon and non-daemon modes consistent.

Note that this release improves the compatibility of --local-partial-types significantly to make the switch easier (see below for more).

This can also be configured in a mypy configuration file (use False to disable):

local_partial_types = True

For more information, refer to the documentation.

We will also enable --strict-bytes by default in mypy 2.0. This usually requires at most minor code changes to adopt. For more information, refer to the documentation.

Finally, --allow-redefinition-new will be renamed to --allow-redefinition. If you want to continue using the older --allow-redefinition semantics which are less flexible (e.g. limited support for conditional redefinitions), you can switch to --allow-redefinition-old, which is currently supported as an alias to the legacy --allow-redefinition behavior. To use --allow-redefinition in the upcoming mypy 2.0, you can't use --no-local-partial-types. For more information, refer to the documentation.

Better Type Narrowing

Mypy's implementation of narrowing has been substantially reworked. Mypy will now narrow more aggressively, more consistently, and more correctly. In particular, you are likely to notice new narrowing behavior in equality expressions (==), containment expressions (in),

... (truncated)

Commits
  • 770d3ca Remove +dev from version
  • 4738ffa Changelog updates for 1.20 (#21109)
  • b4f07a7 Use 'native-parser' instead of 'native-parse' for optional dependency (#21115)
  • 7bec7b7 [mypyc] Document librt and librt.base64 (#21114)
  • c482596 --allow-redefinition-new is no longer experimental (#21110)
  • c916ca3 sdist: include misc/{diff-cache,apply-cache-diff}.py for `mypy/test/test_di...
  • b137e4e [mypyc] Speed up native-to-native imports within the same group (#21101)
  • 978b711 [mypyc] Fix range loop variable off-by-one after loop exit (#21098)
  • 67ada30 [stubtest] Check runtime availability of private types not marked `@type_chec...
  • bdef6ef librt cache tests: build respecting MYPY_TEST_PREFIX (#21097)
  • Additional commits viewable in compare view

Dependabot compatibility score

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.


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You can trigger Dependabot actions by commenting on this PR:

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  • @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
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  • @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

Bumps [mypy](https://github.com/python/mypy) from 1.19.1 to 1.20.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v1.20.0)
---
updated-dependencies:
- dependency-name: mypy
dependency-version: 1.20.0
dependency-type: direct:development
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
@dependabotdependabotBot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Mar 31, 2026
@github-actionsgithub-actionsBot added the internal Internal changes label Mar 31, 2026
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📝 Docs preview

Last commit 1b420bb at: https://0702d1c5.sqlmodel.pages.dev

Comment threaduv.lock
@svlandeg
svlandeg merged commit fc632a7 into mainApr 3, 2026
35 checks passed
@svlandeg
svlandeg deleted the dependabot/uv/mypy-1.20.0 branch April 3, 2026 09:06
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@svlandeg@tiangolo
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

⬆ Bump mypy from 1.19.1 to 1.20.0 - #1843

Merged
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0
Apr 3, 2026
Merged

⬆ Bump mypy from 1.19.1 to 1.20.0#1843
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0

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@dependabotdependabotBot commented on behalf of githubMar 31, 2026

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Bumps mypy from 1.19.1 to 1.20.0.

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 1.20

We’ve just uploaded mypy 1.20.0 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Planned Changes to Defaults and Flags in Mypy 2.0

As a reminder, we are planning to enable --local-partial-types by default in mypy 2.0, which will likely be the next feature release. This will often require at least minor code changes. This option is implicitly enabled by mypy daemon, so this makes the behavior of daemon and non-daemon modes consistent.

Note that this release improves the compatibility of --local-partial-types significantly to make the switch easier (see below for more).

This can also be configured in a mypy configuration file (use False to disable):

local_partial_types = True

For more information, refer to the documentation.

We will also enable --strict-bytes by default in mypy 2.0. This usually requires at most minor code changes to adopt. For more information, refer to the documentation.

Finally, --allow-redefinition-new will be renamed to --allow-redefinition. If you want to continue using the older --allow-redefinition semantics which are less flexible (e.g. limited support for conditional redefinitions), you can switch to --allow-redefinition-old, which is currently supported as an alias to the legacy --allow-redefinition behavior. To use --allow-redefinition in the upcoming mypy 2.0, you can't use --no-local-partial-types. For more information, refer to the documentation.

Better Type Narrowing

Mypy's implementation of narrowing has been substantially reworked. Mypy will now narrow more aggressively, more consistently, and more correctly. In particular, you are likely to notice new narrowing behavior in equality expressions (==), containment expressions (in),

... (truncated)

Commits
  • 770d3ca Remove +dev from version
  • 4738ffa Changelog updates for 1.20 (#21109)
  • b4f07a7 Use 'native-parser' instead of 'native-parse' for optional dependency (#21115)
  • 7bec7b7 [mypyc] Document librt and librt.base64 (#21114)
  • c482596 --allow-redefinition-new is no longer experimental (#21110)
  • c916ca3 sdist: include misc/{diff-cache,apply-cache-diff}.py for `mypy/test/test_di...
  • b137e4e [mypyc] Speed up native-to-native imports within the same group (#21101)
  • 978b711 [mypyc] Fix range loop variable off-by-one after loop exit (#21098)
  • 67ada30 [stubtest] Check runtime availability of private types not marked `@type_chec...
  • bdef6ef librt cache tests: build respecting MYPY_TEST_PREFIX (#21097)
  • Additional commits viewable in compare view

Dependabot compatibility score

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.


Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

  • @dependabot rebase will rebase this PR
  • @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
  • @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
  • @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
  • @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
  • @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

Bumps [mypy](https://github.com/python/mypy) from 1.19.1 to 1.20.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v1.20.0)
---
updated-dependencies:
- dependency-name: mypy
dependency-version: 1.20.0
dependency-type: direct:development
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
@dependabotdependabotBot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Mar 31, 2026
@github-actionsgithub-actionsBot added the internal Internal changes label Mar 31, 2026
@github-actions

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📝 Docs preview

Last commit 1b420bb at: https://0702d1c5.sqlmodel.pages.dev

Comment threaduv.lock
@svlandeg
svlandeg merged commit fc632a7 into mainApr 3, 2026
35 checks passed
@svlandeg
svlandeg deleted the dependabot/uv/mypy-1.20.0 branch April 3, 2026 09:06
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2 participants

@svlandeg@tiangolo
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content

⬆ Bump mypy from 1.19.1 to 1.20.0 - #1843

Merged
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0
Apr 3, 2026
Merged

⬆ Bump mypy from 1.19.1 to 1.20.0#1843
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0

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@dependabotdependabotBot commented on behalf of githubMar 31, 2026

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Bumps mypy from 1.19.1 to 1.20.0.

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 1.20

We’ve just uploaded mypy 1.20.0 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Planned Changes to Defaults and Flags in Mypy 2.0

As a reminder, we are planning to enable --local-partial-types by default in mypy 2.0, which will likely be the next feature release. This will often require at least minor code changes. This option is implicitly enabled by mypy daemon, so this makes the behavior of daemon and non-daemon modes consistent.

Note that this release improves the compatibility of --local-partial-types significantly to make the switch easier (see below for more).

This can also be configured in a mypy configuration file (use False to disable):

local_partial_types = True

For more information, refer to the documentation.

We will also enable --strict-bytes by default in mypy 2.0. This usually requires at most minor code changes to adopt. For more information, refer to the documentation.

Finally, --allow-redefinition-new will be renamed to --allow-redefinition. If you want to continue using the older --allow-redefinition semantics which are less flexible (e.g. limited support for conditional redefinitions), you can switch to --allow-redefinition-old, which is currently supported as an alias to the legacy --allow-redefinition behavior. To use --allow-redefinition in the upcoming mypy 2.0, you can't use --no-local-partial-types. For more information, refer to the documentation.

Better Type Narrowing

Mypy's implementation of narrowing has been substantially reworked. Mypy will now narrow more aggressively, more consistently, and more correctly. In particular, you are likely to notice new narrowing behavior in equality expressions (==), containment expressions (in),

... (truncated)

Commits
  • 770d3ca Remove +dev from version
  • 4738ffa Changelog updates for 1.20 (#21109)
  • b4f07a7 Use 'native-parser' instead of 'native-parse' for optional dependency (#21115)
  • 7bec7b7 [mypyc] Document librt and librt.base64 (#21114)
  • c482596 --allow-redefinition-new is no longer experimental (#21110)
  • c916ca3 sdist: include misc/{diff-cache,apply-cache-diff}.py for `mypy/test/test_di...
  • b137e4e [mypyc] Speed up native-to-native imports within the same group (#21101)
  • 978b711 [mypyc] Fix range loop variable off-by-one after loop exit (#21098)
  • 67ada30 [stubtest] Check runtime availability of private types not marked `@type_chec...
  • bdef6ef librt cache tests: build respecting MYPY_TEST_PREFIX (#21097)
  • Additional commits viewable in compare view

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  • @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
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  • @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

Bumps [mypy](https://github.com/python/mypy) from 1.19.1 to 1.20.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v1.20.0)
---
updated-dependencies:
- dependency-name: mypy
dependency-version: 1.20.0
dependency-type: direct:development
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
@dependabotdependabotBot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Mar 31, 2026
@github-actionsgithub-actionsBot added the internal Internal changes label Mar 31, 2026
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📝 Docs preview

Last commit 1b420bb at: https://0702d1c5.sqlmodel.pages.dev

Comment threaduv.lock
@svlandeg
svlandeg merged commit fc632a7 into mainApr 3, 2026
35 checks passed
@svlandeg
svlandeg deleted the dependabot/uv/mypy-1.20.0 branch April 3, 2026 09:06
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@svlandeg@tiangolo
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

⬆ Bump mypy from 1.19.1 to 1.20.0 - #1843

Merged
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0
Apr 3, 2026
Merged

⬆ Bump mypy from 1.19.1 to 1.20.0#1843
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0

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Bumps mypy from 1.19.1 to 1.20.0.

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 1.20

We’ve just uploaded mypy 1.20.0 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Planned Changes to Defaults and Flags in Mypy 2.0

As a reminder, we are planning to enable --local-partial-types by default in mypy 2.0, which will likely be the next feature release. This will often require at least minor code changes. This option is implicitly enabled by mypy daemon, so this makes the behavior of daemon and non-daemon modes consistent.

Note that this release improves the compatibility of --local-partial-types significantly to make the switch easier (see below for more).

This can also be configured in a mypy configuration file (use False to disable):

local_partial_types = True

For more information, refer to the documentation.

We will also enable --strict-bytes by default in mypy 2.0. This usually requires at most minor code changes to adopt. For more information, refer to the documentation.

Finally, --allow-redefinition-new will be renamed to --allow-redefinition. If you want to continue using the older --allow-redefinition semantics which are less flexible (e.g. limited support for conditional redefinitions), you can switch to --allow-redefinition-old, which is currently supported as an alias to the legacy --allow-redefinition behavior. To use --allow-redefinition in the upcoming mypy 2.0, you can't use --no-local-partial-types. For more information, refer to the documentation.

Better Type Narrowing

Mypy's implementation of narrowing has been substantially reworked. Mypy will now narrow more aggressively, more consistently, and more correctly. In particular, you are likely to notice new narrowing behavior in equality expressions (==), containment expressions (in),

... (truncated)

Commits
  • 770d3ca Remove +dev from version
  • 4738ffa Changelog updates for 1.20 (#21109)
  • b4f07a7 Use 'native-parser' instead of 'native-parse' for optional dependency (#21115)
  • 7bec7b7 [mypyc] Document librt and librt.base64 (#21114)
  • c482596 --allow-redefinition-new is no longer experimental (#21110)
  • c916ca3 sdist: include misc/{diff-cache,apply-cache-diff}.py for `mypy/test/test_di...
  • b137e4e [mypyc] Speed up native-to-native imports within the same group (#21101)
  • 978b711 [mypyc] Fix range loop variable off-by-one after loop exit (#21098)
  • 67ada30 [stubtest] Check runtime availability of private types not marked `@type_chec...
  • bdef6ef librt cache tests: build respecting MYPY_TEST_PREFIX (#21097)
  • Additional commits viewable in compare view

Dependabot compatibility score

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.


Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

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  • @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
  • @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
  • @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
  • @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

Bumps [mypy](https://github.com/python/mypy) from 1.19.1 to 1.20.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v1.20.0)
---
updated-dependencies:
- dependency-name: mypy
dependency-version: 1.20.0
dependency-type: direct:development
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
@dependabotdependabotBot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Mar 31, 2026
@github-actionsgithub-actionsBot added the internal Internal changes label Mar 31, 2026
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📝 Docs preview

Last commit 1b420bb at: https://0702d1c5.sqlmodel.pages.dev

Comment threaduv.lock
@svlandeg
svlandeg merged commit fc632a7 into mainApr 3, 2026
35 checks passed
@svlandeg
svlandeg deleted the dependabot/uv/mypy-1.20.0 branch April 3, 2026 09:06
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@svlandeg@tiangolo
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

⬆ Bump mypy from 1.19.1 to 1.20.0 - #1843

Merged
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0
Apr 3, 2026
Merged

⬆ Bump mypy from 1.19.1 to 1.20.0#1843
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0

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@dependabotdependabotBot commented on behalf of githubMar 31, 2026

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Bumps mypy from 1.19.1 to 1.20.0.

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 1.20

We’ve just uploaded mypy 1.20.0 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Planned Changes to Defaults and Flags in Mypy 2.0

As a reminder, we are planning to enable --local-partial-types by default in mypy 2.0, which will likely be the next feature release. This will often require at least minor code changes. This option is implicitly enabled by mypy daemon, so this makes the behavior of daemon and non-daemon modes consistent.

Note that this release improves the compatibility of --local-partial-types significantly to make the switch easier (see below for more).

This can also be configured in a mypy configuration file (use False to disable):

local_partial_types = True

For more information, refer to the documentation.

We will also enable --strict-bytes by default in mypy 2.0. This usually requires at most minor code changes to adopt. For more information, refer to the documentation.

Finally, --allow-redefinition-new will be renamed to --allow-redefinition. If you want to continue using the older --allow-redefinition semantics which are less flexible (e.g. limited support for conditional redefinitions), you can switch to --allow-redefinition-old, which is currently supported as an alias to the legacy --allow-redefinition behavior. To use --allow-redefinition in the upcoming mypy 2.0, you can't use --no-local-partial-types. For more information, refer to the documentation.

Better Type Narrowing

Mypy's implementation of narrowing has been substantially reworked. Mypy will now narrow more aggressively, more consistently, and more correctly. In particular, you are likely to notice new narrowing behavior in equality expressions (==), containment expressions (in),

... (truncated)

Commits
  • 770d3ca Remove +dev from version
  • 4738ffa Changelog updates for 1.20 (#21109)
  • b4f07a7 Use 'native-parser' instead of 'native-parse' for optional dependency (#21115)
  • 7bec7b7 [mypyc] Document librt and librt.base64 (#21114)
  • c482596 --allow-redefinition-new is no longer experimental (#21110)
  • c916ca3 sdist: include misc/{diff-cache,apply-cache-diff}.py for `mypy/test/test_di...
  • b137e4e [mypyc] Speed up native-to-native imports within the same group (#21101)
  • 978b711 [mypyc] Fix range loop variable off-by-one after loop exit (#21098)
  • 67ada30 [stubtest] Check runtime availability of private types not marked `@type_chec...
  • bdef6ef librt cache tests: build respecting MYPY_TEST_PREFIX (#21097)
  • Additional commits viewable in compare view

Dependabot compatibility score

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.


Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

  • @dependabot rebase will rebase this PR
  • @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
  • @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
  • @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
  • @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
  • @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

Bumps [mypy](https://github.com/python/mypy) from 1.19.1 to 1.20.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v1.20.0)
---
updated-dependencies:
- dependency-name: mypy
dependency-version: 1.20.0
dependency-type: direct:development
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
@dependabotdependabotBot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Mar 31, 2026
@github-actionsgithub-actionsBot added the internal Internal changes label Mar 31, 2026
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📝 Docs preview

Last commit 1b420bb at: https://0702d1c5.sqlmodel.pages.dev

Comment threaduv.lock
@svlandeg
svlandeg merged commit fc632a7 into mainApr 3, 2026
35 checks passed
@svlandeg
svlandeg deleted the dependabot/uv/mypy-1.20.0 branch April 3, 2026 09:06
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@svlandeg@tiangolo
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
Skip to content

⬆ Bump mypy from 1.19.1 to 1.20.0 - #1843

Merged
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0
Apr 3, 2026
Merged

⬆ Bump mypy from 1.19.1 to 1.20.0#1843
svlandeg merged 1 commit into
mainfrom
dependabot/uv/mypy-1.20.0

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@dependabotdependabotBot commented on behalf of githubMar 31, 2026

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Bumps mypy from 1.19.1 to 1.20.0.

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 1.20

We’ve just uploaded mypy 1.20.0 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Planned Changes to Defaults and Flags in Mypy 2.0

As a reminder, we are planning to enable --local-partial-types by default in mypy 2.0, which will likely be the next feature release. This will often require at least minor code changes. This option is implicitly enabled by mypy daemon, so this makes the behavior of daemon and non-daemon modes consistent.

Note that this release improves the compatibility of --local-partial-types significantly to make the switch easier (see below for more).

This can also be configured in a mypy configuration file (use False to disable):

local_partial_types = True

For more information, refer to the documentation.

We will also enable --strict-bytes by default in mypy 2.0. This usually requires at most minor code changes to adopt. For more information, refer to the documentation.

Finally, --allow-redefinition-new will be renamed to --allow-redefinition. If you want to continue using the older --allow-redefinition semantics which are less flexible (e.g. limited support for conditional redefinitions), you can switch to --allow-redefinition-old, which is currently supported as an alias to the legacy --allow-redefinition behavior. To use --allow-redefinition in the upcoming mypy 2.0, you can't use --no-local-partial-types. For more information, refer to the documentation.

Better Type Narrowing

Mypy's implementation of narrowing has been substantially reworked. Mypy will now narrow more aggressively, more consistently, and more correctly. In particular, you are likely to notice new narrowing behavior in equality expressions (==), containment expressions (in),

... (truncated)

Commits
  • 770d3ca Remove +dev from version
  • 4738ffa Changelog updates for 1.20 (#21109)
  • b4f07a7 Use 'native-parser' instead of 'native-parse' for optional dependency (#21115)
  • 7bec7b7 [mypyc] Document librt and librt.base64 (#21114)
  • c482596 --allow-redefinition-new is no longer experimental (#21110)
  • c916ca3 sdist: include misc/{diff-cache,apply-cache-diff}.py for `mypy/test/test_di...
  • b137e4e [mypyc] Speed up native-to-native imports within the same group (#21101)
  • 978b711 [mypyc] Fix range loop variable off-by-one after loop exit (#21098)
  • 67ada30 [stubtest] Check runtime availability of private types not marked `@type_chec...
  • bdef6ef librt cache tests: build respecting MYPY_TEST_PREFIX (#21097)
  • Additional commits viewable in compare view

Dependabot compatibility score

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.


Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

  • @dependabot rebase will rebase this PR
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Bumps [mypy](https://github.com/python/mypy) from 1.19.1 to 1.20.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v1.20.0)
---
updated-dependencies:
- dependency-name: mypy
dependency-version: 1.20.0
dependency-type: direct:development
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
@dependabotdependabotBot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Mar 31, 2026
@github-actionsgithub-actionsBot added the internal Internal changes label Mar 31, 2026
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Last commit 1b420bb at: https://0702d1c5.sqlmodel.pages.dev

Comment threaduv.lock
@svlandeg
svlandeg merged commit fc632a7 into mainApr 3, 2026
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@svlandeg
svlandeg deleted the dependabot/uv/mypy-1.20.0 branch April 3, 2026 09:06
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@svlandeg@tiangolo