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return-in-init (PLE0101)

Added in v0.0.248 · Related issues · View source

Derived from the Pylint linter.

What it does

Checks for __init__ methods that return values.

Why is this bad?

The __init__ method is the constructor for a given Python class, responsible for initializing, rather than creating, new objects.

The __init__ method has to return None. Returning any value from an __init__ method will result in a runtime error.

Example

class Example:
    def __init__(self):
        return []

Use instead:

class Example:
    def __init__(self):
        self.value = []

References