PY3.E0236

Invalid slots object

Used when an invalid (non-string) object occurs in slots.

Noncompliant Code:

Copy
class Foo:
    __slots__ = ('bar', '')

    def __init__(self, bar):
        self.bar = bar
        self.setup()

    def setup(self):
        pass

Compliant Code:

Copy
class Foo:
    __slots__ = ('bar',)

    def __init__(self, bar):
        self.bar = bar
        self.setup()

    def setup(self):
        pass

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