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authorBrett Cannon <brett@python.org>2013-03-13 17:46:22 (GMT)
committerBrett Cannon <brett@python.org>2013-03-13 17:46:22 (GMT)
commit2514b4871f59687d72a684b09ebfe485b60b5422 (patch)
treee5b7c6726021fb150ea59506c14082c337dd02b7 /Doc/library/imp.rst
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Issue #17176: Document that imp.NullImporter is no longer inserted
into sys.path_importer_cache.
Diffstat (limited to 'Doc/library/imp.rst')
-rw-r--r--Doc/library/imp.rst9
1 files changed, 5 insertions, 4 deletions
diff --git a/Doc/library/imp.rst b/Doc/library/imp.rst
index 5cadda9..60d0105 100644
--- a/Doc/library/imp.rst
+++ b/Doc/library/imp.rst
@@ -326,16 +326,17 @@ to indicate the search result of :func:`find_module`.
with an existing directory or empty string raises :exc:`ImportError`.
Otherwise, a :class:`NullImporter` instance is returned.
- Python adds instances of this type to ``sys.path_importer_cache`` for any path
- entries that are not directories and are not handled by any other path hooks on
- ``sys.path_hooks``. Instances have only one method:
-
+ Instances have only one method:
.. method:: NullImporter.find_module(fullname [, path])
This method always returns ``None``, indicating that the requested module could
not be found.
+ .. versionchanged:: 3.3
+ ``None`` is inserted into ``sys.path_importer_cache`` instead of an
+ instance of :class:`NullImporter`.
+
.. _examples-imp: