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authorBrett Cannon <brett@python.org>2012-03-02 17:10:48 (GMT)
committerBrett Cannon <brett@python.org>2012-03-02 17:10:48 (GMT)
commit83ac0133bd4841d36a41000753dd77e796747f7f (patch)
tree950376ab79b7d7bf5ac19d38c032a1713498ca7d /Doc
parent75321e83798f27a2da7921ec630b1ad3f5791ace (diff)
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Clarify importlib.machinery.PathFinder's difference from what __import__() does.
Diffstat (limited to 'Doc')
-rw-r--r--Doc/library/importlib.rst4
1 files changed, 3 insertions, 1 deletions
diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
index 66a5c4e..e5cc27f 100644
--- a/Doc/library/importlib.rst
+++ b/Doc/library/importlib.rst
@@ -477,7 +477,9 @@ find and load modules.
This class does not perfectly mirror the semantics of :keyword:`import` in
terms of :data:`sys.path`. No implicit path hooks are assumed for
- simplification of the class and its semantics.
+ simplification of the class and its semantics. This implies that when
+ ``None`` is found in :data:`sys.path_importer_cache` that it is simply
+ ignored instead of implying a default finder.
Only class methods are defined by this class to alleviate the need for
instantiation.