pylint-errors
E0240 (inconsistent-mro)
Problematic code:
class A:
pass
class B(A):
pass
class C(A, B):
pass
Correct code:
class A:
pass
class B(A):
pass
class C(B): # or B, A or A but not A, B
pass
Rationale:
Used when a class has an inconsistent method resolution order.