diff -r 1186d68715cc Lib/imp.py
--- a/Lib/imp.py	Wed Jul 04 19:33:45 2012 -0700
+++ b/Lib/imp.py	Fri Jul 06 11:29:46 2012 -0700
@@ -230,7 +230,7 @@
                 continue
             break  # Break out of outer loop when breaking out of inner loop.
     else:
-        raise ImportError('No module name {!r}'.format(name), name=name)
+        raise ImportError('No module named {!r}'.format(name), name=name)
 
     encoding = None
     if mode == 'U':