.. _comparison-with-callable: comparison-with-callable / W0143 ================================ **Message emitted:** ``Comparing against a callable, did you omit the parenthesis?`` **Description:** *This message is emitted when pylint detects that a comparison with a callable was made, which might suggest that some parenthesis were omitted, resulting in potential unwanted behaviour.* **Problematic code:** .. literalinclude:: /data/messages/c/comparison-with-callable/bad.py :language: python **Correct code:** .. literalinclude:: /data/messages/c/comparison-with-callable/good.py :language: python Created by the `basic `__ checker.