library · inferred from evidence
collections.abc
A submodule of the Python standard library containing abstract base classes, including MutableMapping.
- ImportError: cannot import name 'MutableMapping' from 'collections'
Fixes ImportError: cannot import name 'MutableMapping' from 'collections' Use when Python 3.10+ and `from collections import [ABC]` Not for: Python < 3.10 (it works there, with a deprecation warning)