redefined-loop-name / W2901

Message emitted:

Redefining %r from loop (line %s)

Description:

Used when a loop variable is overwritten in the loop body.

Problematic code:

def normalize_names(names):
    for name in names:
        name = name.lower()  # [redefined-loop-name]

Correct code:

def normalize_names(names):
    for name in names:
        lowercased_name = name.lower()

Configuration file:

[MAIN]
load-plugins=pylint.extensions.redefined_loop_name,

Note

This message is emitted by the optional 'redefined-loop-name' checker, which requires the pylint.extensions.redefined_loop_name plugin to be loaded.

Created by the redefined-loop-name checker.