logilab-astng #9588 false positive E1101 for augmented assignment [resolved]
I encountered a false positive E1101 for augmented assignment. See the following sample code.
""" False positive case of E1101: The error is triggered when the attribute set in the base class is modified with augmented assignment in a derived class. """ class BaseClass(object): "The base class" def __init__(self): "Set an attribute." self.e1101 = 1 class FalsePositiveClass(BaseClass): "The first derived class which triggers the false positive" def __init__(self): "Augmented assignment triggers E1101." BaseClass.__init__(self) self.e1101 += 1 def countup(self): "Consequently this also triggers E1101." self.e1101 += 1 class NegativeClass(BaseClass): "The second derived class, which does not trigger the error E1101" def __init__(self): "Ordinary assignment is OK." BaseClass.__init__(self) self.e1101 = self.e1101 + 1 def countup(self): "No problem." self.e1101 += 1
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