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There is a newer version: 4.23.0.17664

This rule is deprecated; use {rule:python:S5722} instead.
Why is this an issue?
The __exit__ method is invoked with four arguments: self, type, value and traceback. Leave one of these out of the method declaration
and the result will be a TypeError at runtime.
Noncompliant code example
class MyClass:
   def __enter__(self):
       pass
   def __exit__(self, exc_type, exc_val):  # Noncompliant
       pass