invalid-envvar-default / W1508#

Message emitted:

%s default type is %s. Expected str or None.

Description:

Env manipulation functions return None or str values. Supplying anything different as a default may cause bugs. See https://docs.python.org/3/library/os.html#os.getenv.

Correct code:

# This is a placeholder for correct code for this message.

Additional details:

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Created by the stdlib checker.