duplicate-value / W0130#
Message emitted:
Duplicate value %r in set
Description:
This message is emitted when a set contains the same value two or more times.
Problematic code:
incorrect_set = {'value1', 23, 5, 'value1'} # [duplicate-value]
Correct code:
correct_set = {'value1', 23, 5}
Created by the basic checker.