unsupported-assignment-operation.md

Pattern: Object does not support item assignment

Issue: -

Description

Used when an object does not support item assignment (i.e. doesn't define __setitem__ method).

Example of incorrect code:

class NonSubscriptable(object):
    pass

NonSubscriptable()[0] = 1

Example of correct code:

class Subscriptable(object):
    def __setitem__(self, key, value):
        return key + value
        
Subscriptable()[0] = 1