How to use collections.abc from both Python 3.8+ and Python 2.7

Question

In Python 3.3 \"abstract base classes\" in collections (like MutableMapping or MutableSequence) were moved to second-level module

Answer 1

One way to solve this is to simply try to get abc from collections, else assume the members of abc are already in collections.

import collections                                         
collections_abc = getattr(collections, 'abc', collections)