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@AlexWaygood AlexWaygood commented Jul 9, 2023

Reverts #8465
Fixes #10424
Closes #10425

#8465 caused regressions: see #10424 and python/mypy#13800. Since it didn't fix any known problems (just some stylistic nits that we had), let's just revert the PR.

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github-actions bot commented Jul 9, 2023

Diff from mypy_primer, showing the effect of this PR on open source code:

prefect (https://github.com/PrefectHQ/prefect)
- src/prefect/utilities/templating.py:132: error: Incompatible types in assignment (expression has type "str", variable has type "dict[Any, Any]")  [assignment]
- src/prefect/utilities/templating.py:134: error: Incompatible types in assignment (expression has type "str", variable has type "dict[Any, Any]")  [assignment]
- src/prefect/utilities/templating.py:282: error: Incompatible types in assignment (expression has type "str", variable has type "dict[Any, Any]")  [assignment]
- src/prefect/utilities/templating.py:284: error: Incompatible types in assignment (expression has type "str", variable has type "dict[Any, Any]")  [assignment]

@JelleZijlstra
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Seems like the mypy-primer hit is an example of python/mypy#13800. I wonder if it's because there's some change in whether mypy thinks a subclass of str and dict can exist.

@JelleZijlstra JelleZijlstra merged commit 81b8211 into python:main Jul 9, 2023
@AlexWaygood AlexWaygood deleted the add-back-hash-methods branch July 9, 2023 15:44
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Builtins are incorrectly hinted as unhashable

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