Merged revisions 74584 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r74584 | brett.cannon | 2009-08-29 20:47:36 -0700 (Sat, 29 Aug 2009) | 3 lines

  Have importlib raise ImportError if None is found in sys.modules. This matches
  current import semantics.
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diff --git a/Misc/NEWS b/Misc/NEWS
index b60d8e5..02ce31e 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -50,6 +50,9 @@
 Library
 -------
 
+- Have importlib raise ImportError if None is found in sys.modules for a
+  module.
+
 - Issue #6794: Fix Decimal.compare_total and Decimal.compare_total_mag: NaN
   payloads are now ordered by integer value rather than lexicographically.