AttributeError: type object 'A' has no attribute 'c'

What it does

Checks for possibly missing attributes.

Why is this bad?

Attempting to access a missing attribute will raise an AttributeError at runtime.

Rule status

This rule is currently disabled by default because of the number of false positives it can produce.

Examples

class A:
    if __name__ == "__main__":
        c = 0


# AttributeError: type object 'A' has no attribute 'c'
A.c  # error