singleton-comparison.md

Pattern: Missing is or is not for singleton comparison

Issue: -

Description

This rule enforces PEP 8 recommendation to use is or is not over equality operators for singleton comparison.

Example of incorrect code:

number = None

if number == None:
    print "number is None"

Example of correct code:

number = None

if number is None:
    print "number is None"

Further Reading

• PEP 8 - Programming Recommendations