needless-bool (SIM103)
Derived from the flake8-simplify linter.
Fix is sometimes available.
What it does
Checks for if
statements that can be replaced with bool
.
Why is this bad?
if
statements that return True
for a truthy condition and False
for
a falsey condition can be replaced with boolean casts.
Example
Given:
Use instead:
Or, given:
Use instead:
Preview
In preview, double negations such as not a != b
, not a not in b
, not a is not b
will be simplified to a == b
, a in b
and a is b
, respectively.