New submission from Jacob Hayes <[email protected]>:
Reproduction:
```
from graphlib import TopologicalSorter
TopologicalSorter[str]({"a": {}, "b": {"a"}})
```
```
$ mypy /tmp/toposort.py
Success: no issues found in 1 source file
$ python3 /tmp/toposort.py
Traceback (most recent call last):
File "/tmp/toposort.py", line 3, in <module>
TopologicalSorter[str]({"a": {}, "b": {"a"}})
TypeError: 'type' object is not subscriptable
```
I opened the issue here (rather than typeshed) because we'd presumably like to
support this at runtime too.
Typeshed link:
https://github.com/python/mypy/blob/0a830481980bfc554ded61a3eaaaecde384a21e4/mypy/typeshed/stdlib/graphlib.pyi#L6
----------
components: Library (Lib)
messages: 403115
nosy: JacobHayes
priority: normal
severity: normal
status: open
title: TopologicalSorter is not Generic at runtime (but is in typeshed)
type: behavior
versions: Python 3.9
_______________________________________
Python tracker <[email protected]>
<https://bugs.python.org/issue45359>
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