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pythonpycharmtypecheckingisinstance

Using basestring in is instance - Type mismatch warning

Warning for isinstance

The warning is: Expected type 'Union[type, Tuple[type, ...]]', got 'Union[str, unicode]' instead.

Am I doing something wrong?

Solution

  • This issue is a known bug. Please follow https://youtrack.jetbrains.com/issue/PY-23470