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Fix subscription of Unpack causing nested Unpacks to not be resolved correctly - #480
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Thanks, this looks close to ready.
| subscripted objects) had wrong parameters if they were directly | ||
| subscripted with an `Unpack` object. | ||
| Patch by [Daraan](https://github.com/Daraan). | ||
| - Fix error in subscription of Unpack aliases causing nested Unpacks |
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Suggested change
| - Fix error in subscription of Unpack aliases causing nested Unpacks | |
| - Fix error in subscription of `Unpack` aliases causing nested Unpacks |
| def test_substitution(self): | ||
| Ts = TypeVarTuple("Ts") | ||
| unpacked_str = Unpack[Ts][str] | ||
| with self.subTest("Check substitution result"): |
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No need for subTest for a single test
| TupleAliasTsT = Variadic[Tuple[Unpack[Ts], T]] | ||
| # Equivalent Forms | ||
| with self.subTest("Equivalence of variadic arguments"): |
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Only use subTest in a loop. This one should probably just be a separate test method.
formatting to changelog Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com> Co-authored-by: Daraan <github.blurry@9ox.net>
JelleZijlstra
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Oct 21, 2024
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The current Unpack alias backport had an issue that it did not resolve correctly during substition.
This PR fixes that the following should hold, or rather that the subscription does not raise a
TypeError.This fixes#474 and was solved by simply adding the Python 3.12+ code to the alias classes.
Sitenote: This is only slightly related to #103, the code sample there also did not work in 3.11 after the backport was used. However, the error is not related and still persists for <=3.10.