bpo-30144: Import collections ABC from collections.abc rather than collections. (#1263)
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index 35925a0..058fa90 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1375,7 +1375,7 @@
:meth:`__hash__` method of a class is ``None``, instances of the class will
raise an appropriate :exc:`TypeError` when a program attempts to retrieve
their hash value, and will also be correctly identified as unhashable when
- checking ``isinstance(obj, collections.Hashable)``.
+ checking ``isinstance(obj, collections.abc.Hashable)``.
If a class that overrides :meth:`__eq__` needs to retain the implementation
of :meth:`__hash__` from a parent class, the interpreter must be told this
@@ -1385,7 +1385,7 @@
support, it should include ``__hash__ = None`` in the class definition.
A class which defines its own :meth:`__hash__` that explicitly raises
a :exc:`TypeError` would be incorrectly identified as hashable by
- an ``isinstance(obj, collections.Hashable)`` call.
+ an ``isinstance(obj, collections.abc.Hashable)`` call.
.. note::
@@ -1981,7 +1981,7 @@
:meth:`keys`, :meth:`values`, :meth:`items`, :meth:`get`, :meth:`clear`,
:meth:`setdefault`, :meth:`pop`, :meth:`popitem`, :meth:`!copy`, and
:meth:`update` behaving similar to those for Python's standard dictionary
-objects. The :mod:`collections` module provides a
+objects. The :mod:`collections.abc` module provides a
:class:`~collections.abc.MutableMapping`
abstract base class to help create those methods from a base set of
:meth:`__getitem__`, :meth:`__setitem__`, :meth:`__delitem__`, and :meth:`keys`.