False positive: unnecessary-dict-index-lookup when deleting a key in a dictionary

[cpitclaudel]

Bug description

Pylint suggests replacing a[k] below with v

# pylint: disable=missing-module-docstring
a = {"a": 1}
for k, v in a.items():
    if v % 2 == 0:
        del a[k]

Configuration

No response

Command used

pylint a.py

Pylint output

************* Module a
a.py:5:12: R1733: Unnecessary dictionary index lookup, use 'v' instead (unnecessary-dict-index-lookup)

Expected behavior

Ideally, an error about modifying a dictionary during iteration; alternatively, no errors.

Pylint version

pylint 2.12.2

OS / Environment

No response

Additional dependencies

No response

[DanielNoord]

This is a duplicate of #4716. A fix has been made in #5344 which will be released with pylint 2.13!