Fix NumPy 2 incompatibility by bumping matplotlib pin - #18

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gpitt71 merged 1 commit into
gpitt71:mainfrom
RS-ins:fix/matplotlib-numpy2-pin
Jul 24, 2026
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Fix NumPy 2 incompatibility by bumping matplotlib pin#18
gpitt71 merged 1 commit into
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RS-ins:fix/matplotlib-numpy2-pin

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@RS-insRS-ins commented Jul 15, 2026

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Follow-up to #17.
After the NumPy 2 compatibility fixes were merged, the CI (Git Actions) build on main started failing at the pytest step (exit code 2 — a collection error, before any test runs).
Cause: #17 relaxed the numpy<2.0.0 pin, so CI now resolves NumPy 2.x on Python 3.10. But requirements.txt still pinned matplotlib==3.5.1, which was based on NumPy 1.x.
Under NumPy 2 the matplotlib import raises the "compiled using NumPy 1.x cannot be run in NumPy 2.x" error.
Fix: Bump the pin to matplotlib>=3.8.4, the first release with wheels ABI-compatible with both NumPy 1.x and 2.x (still supports Python 3.10).
Local testing: New virtual env on Python 3.10 replicating the CI install steps; resolves to numpy 2.2.6 + matplotlib 3.10.9, and the full suite passes (31 passed).

@gpitt71
gpitt71 merged commit e55ad21 into gpitt71:mainJul 24, 2026
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Hi Riccardo,

Thanks for your work! The updated code is passing the checks and I am closing this pull request.

Best regards,
Gabriele

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Fix NumPy 2 incompatibility by bumping matplotlib pin - #18
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gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
Jul 24, 2026
Merged
Fix NumPy 2 incompatibility by bumping matplotlib pin#18
gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
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Jul 15, 2026

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Follow-up to #17.

After the NumPy 2 compatibility fixes were merged, the CI (Git Actions) build on main started failing at the pytest step (exit code 2 — a collection error, before any test runs).

Cause: #17 relaxed the numpy<2.0.0 pin, so CI now resolves NumPy 2.x on Python 3.10. But requirements.txt still pinned matplotlib==3.5.1, which was based on NumPy 1.x.

Under NumPy 2 the matplotlib import raises the "compiled using NumPy 1.x cannot be run in NumPy 2.x" error.

Fix: Bump the pin to matplotlib>=3.8.4, the first release with wheels ABI-compatible with both NumPy 1.x and 2.x (still supports Python 3.10).

Local testing: New virtual env on Python 3.10 replicating the CI install steps; resolves to numpy 2.2.6 + matplotlib 3.10.9, and the full suite passes (31 passed).
@gpitt71
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merged commit e55ad21
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Hi Riccardo,
Thanks for your work! The updated code is passing the checks and I am closing this pull request.
Best regards,

Gabriele
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, 'i');
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Fix NumPy 2 incompatibility by bumping matplotlib pin - #18
Merged
gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
Jul 24, 2026
Merged
Fix NumPy 2 incompatibility by bumping matplotlib pin#18
gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
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Jul 15, 2026

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Follow-up to #17.

After the NumPy 2 compatibility fixes were merged, the CI (Git Actions) build on main started failing at the pytest step (exit code 2 — a collection error, before any test runs).

Cause: #17 relaxed the numpy<2.0.0 pin, so CI now resolves NumPy 2.x on Python 3.10. But requirements.txt still pinned matplotlib==3.5.1, which was based on NumPy 1.x.

Under NumPy 2 the matplotlib import raises the "compiled using NumPy 1.x cannot be run in NumPy 2.x" error.

Fix: Bump the pin to matplotlib>=3.8.4, the first release with wheels ABI-compatible with both NumPy 1.x and 2.x (still supports Python 3.10).

Local testing: New virtual env on Python 3.10 replicating the CI install steps; resolves to numpy 2.2.6 + matplotlib 3.10.9, and the full suite passes (31 passed).
@gpitt71
gpitt71
merged commit e55ad21
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gpitt71:mainJul 24, 2026

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Hi Riccardo,
Thanks for your work! The updated code is passing the checks and I am closing this pull request.
Best regards,

Gabriele
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try {
var __m = "*";
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Fix NumPy 2 incompatibility by bumping matplotlib pin - #18
Merged
gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
Jul 24, 2026
Merged
Fix NumPy 2 incompatibility by bumping matplotlib pin#18
gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
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@RS-ins
@RS-insRS-ins
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Jul 15, 2026

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Follow-up to #17.

After the NumPy 2 compatibility fixes were merged, the CI (Git Actions) build on main started failing at the pytest step (exit code 2 — a collection error, before any test runs).

Cause: #17 relaxed the numpy<2.0.0 pin, so CI now resolves NumPy 2.x on Python 3.10. But requirements.txt still pinned matplotlib==3.5.1, which was based on NumPy 1.x.

Under NumPy 2 the matplotlib import raises the "compiled using NumPy 1.x cannot be run in NumPy 2.x" error.

Fix: Bump the pin to matplotlib>=3.8.4, the first release with wheels ABI-compatible with both NumPy 1.x and 2.x (still supports Python 3.10).

Local testing: New virtual env on Python 3.10 replicating the CI install steps; resolves to numpy 2.2.6 + matplotlib 3.10.9, and the full suite passes (31 passed).
@gpitt71
gpitt71
merged commit e55ad21
into
gpitt71:mainJul 24, 2026

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Hi Riccardo,
Thanks for your work! The updated code is passing the checks and I am closing this pull request.
Best regards,

Gabriele
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, 'i');
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(function(){
try {
var __m = "youtube.com";
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Fix NumPy 2 incompatibility by bumping matplotlib pin - #18
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gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
Jul 24, 2026
Merged
Fix NumPy 2 incompatibility by bumping matplotlib pin#18
gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
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Jul 15, 2026

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Follow-up to #17.

After the NumPy 2 compatibility fixes were merged, the CI (Git Actions) build on main started failing at the pytest step (exit code 2 — a collection error, before any test runs).

Cause: #17 relaxed the numpy<2.0.0 pin, so CI now resolves NumPy 2.x on Python 3.10. But requirements.txt still pinned matplotlib==3.5.1, which was based on NumPy 1.x.

Under NumPy 2 the matplotlib import raises the "compiled using NumPy 1.x cannot be run in NumPy 2.x" error.

Fix: Bump the pin to matplotlib>=3.8.4, the first release with wheels ABI-compatible with both NumPy 1.x and 2.x (still supports Python 3.10).

Local testing: New virtual env on Python 3.10 replicating the CI install steps; resolves to numpy 2.2.6 + matplotlib 3.10.9, and the full suite passes (31 passed).
@gpitt71
gpitt71
merged commit e55ad21
into
gpitt71:mainJul 24, 2026

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Hi Riccardo,
Thanks for your work! The updated code is passing the checks and I am closing this pull request.
Best regards,

Gabriele
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, 'i');
if (__m === '*' || __re.test(location.href)) {
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(function(){
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var __m = "*";
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Fix NumPy 2 incompatibility by bumping matplotlib pin - #18
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gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
Jul 24, 2026
Merged
Fix NumPy 2 incompatibility by bumping matplotlib pin#18
gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
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Follow-up to #17.

After the NumPy 2 compatibility fixes were merged, the CI (Git Actions) build on main started failing at the pytest step (exit code 2 — a collection error, before any test runs).

Cause: #17 relaxed the numpy<2.0.0 pin, so CI now resolves NumPy 2.x on Python 3.10. But requirements.txt still pinned matplotlib==3.5.1, which was based on NumPy 1.x.

Under NumPy 2 the matplotlib import raises the "compiled using NumPy 1.x cannot be run in NumPy 2.x" error.

Fix: Bump the pin to matplotlib>=3.8.4, the first release with wheels ABI-compatible with both NumPy 1.x and 2.x (still supports Python 3.10).

Local testing: New virtual env on Python 3.10 replicating the CI install steps; resolves to numpy 2.2.6 + matplotlib 3.10.9, and the full suite passes (31 passed).
@gpitt71
gpitt71
merged commit e55ad21
into
gpitt71:mainJul 24, 2026

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Hi Riccardo,
Thanks for your work! The updated code is passing the checks and I am closing this pull request.
Best regards,

Gabriele
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, 'i');
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(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Fix NumPy 2 incompatibility by bumping matplotlib pin - #18
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gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
Jul 24, 2026
Merged
Fix NumPy 2 incompatibility by bumping matplotlib pin#18
gpitt71 merged 1 commit into
gpitt71:mainfrom 
RS-ins:fix/matplotlib-numpy2-pin
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Follow-up to #17.

After the NumPy 2 compatibility fixes were merged, the CI (Git Actions) build on main started failing at the pytest step (exit code 2 — a collection error, before any test runs).

Cause: #17 relaxed the numpy<2.0.0 pin, so CI now resolves NumPy 2.x on Python 3.10. But requirements.txt still pinned matplotlib==3.5.1, which was based on NumPy 1.x.

Under NumPy 2 the matplotlib import raises the "compiled using NumPy 1.x cannot be run in NumPy 2.x" error.

Fix: Bump the pin to matplotlib>=3.8.4, the first release with wheels ABI-compatible with both NumPy 1.x and 2.x (still supports Python 3.10).

Local testing: New virtual env on Python 3.10 replicating the CI install steps; resolves to numpy 2.2.6 + matplotlib 3.10.9, and the full suite passes (31 passed).
@gpitt71
gpitt71
merged commit e55ad21
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gpitt71:mainJul 24, 2026

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Hi Riccardo,
Thanks for your work! The updated code is passing the checks and I am closing this pull request.
Best regards,

Gabriele
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Fix NumPy 2 incompatibility by bumping matplotlib pin - #18
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RS-ins:fix/matplotlib-numpy2-pin
Jul 24, 2026
Merged
Fix NumPy 2 incompatibility by bumping matplotlib pin#18
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Follow-up to #17.

After the NumPy 2 compatibility fixes were merged, the CI (Git Actions) build on main started failing at the pytest step (exit code 2 — a collection error, before any test runs).

Cause: #17 relaxed the numpy<2.0.0 pin, so CI now resolves NumPy 2.x on Python 3.10. But requirements.txt still pinned matplotlib==3.5.1, which was based on NumPy 1.x.

Under NumPy 2 the matplotlib import raises the "compiled using NumPy 1.x cannot be run in NumPy 2.x" error.

Fix: Bump the pin to matplotlib>=3.8.4, the first release with wheels ABI-compatible with both NumPy 1.x and 2.x (still supports Python 3.10).

Local testing: New virtual env on Python 3.10 replicating the CI install steps; resolves to numpy 2.2.6 + matplotlib 3.10.9, and the full suite passes (31 passed).
@gpitt71
gpitt71
merged commit e55ad21
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gpitt71:mainJul 24, 2026

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gpitt71
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Jul 24, 2026

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Hi Riccardo,
Thanks for your work! The updated code is passing the checks and I am closing this pull request.
Best regards,

Gabriele
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@RS-ins@gpitt71