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It seems that mypy doesn't like from x import y statements inside classes. While maybe unusual, from dataclasses import replace is quite handy.
Traceback
Running as mypy --show-traceback a.py, on commit 8e909e4.
a.py:4: error: INTERNAL ERROR -- Please try using mypy master on Github:
https://mypy.rtfd.io/en/latest/common_issues.html#using-a-development-mypy-build
Please report a bug at https://github.com/python/mypy/issues
version: 0.812
Traceback (most recent call last):
File "mypy/checkexpr.py", line 3898, in accept
File "mypy/nodes.py", line 1507, in accept
File "mypy/checkexpr.py", line 2025, in visit_member_expr
File "mypy/checkexpr.py", line 2043, in analyze_ordinary_member_access
File "mypy/checkmember.py", line 126, in analyze_member_access
File "mypy/checkmember.py", line 143, in _analyze_member_access
File "mypy/checkmember.py", line 219, in analyze_instance_member_access
File "mypy/maptype.py", line 20, in map_instance_to_supertype
AttributeError: attribute 'type_vars' of 'TypeInfo' undefined
a.py:4: : note: use --pdb to drop into pdb
To Reproduce
a.py:
classA:
frombimportfooprint(A().foo()) # ← INTERNAL ERROR here
Crash Report
It seems that mypy doesn't like
from x import ystatements inside classes. While maybe unusual,from dataclasses import replaceis quite handy.Traceback
Running as
mypy --show-traceback a.py, on commit 8e909e4.To Reproduce
a.py:b.py:Your Environment
mypy --show-traceback a.pymypy.ini(and other config files): NoneThe text was updated successfully, but these errors were encountered: