`type[Any]` not considered `Hashable`
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bug
- Dominant language
- Python
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- 20.6k
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Description
from typing import Hashable, Any
t1: type[Any] = type
h1: Hashable = t1 # error: Incompatible types in assignment (expression has type "Type[Any]", variable has type "Hashable")
Which seems strange because type[type] is considered Hashable, demonstrating that a type can be Hashable.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No source file or test is named. Start by running the provided type-checking example and compare the treatment of type[Any] with type[type] in mypy's type analysis; done means the reported Hashable compatibility is consistent with the demonstrated behavior and covered by a regression test.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- compilers, devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100