commit 673770c59d6b68c05aaa37cb3e45fb7f86aa7db3
author Terry Jan Reedy <tjreedy@udel.edu> Wed May 08 23:42:41 2013 -0400
committer Terry Jan Reedy <tjreedy@udel.edu> Wed May 08 23:42:41 2013 -0400
tree 9c76616155ca568c2bb4cf6597b58a2dcaebb6f7
parent db03e6b842011dfb1a419a23e1fbc8732fd7763f

Issue 16584: in filecomp._cmp, catch IOError as well as os.error.
Patch by Till Maas.

Lib/filecmp.py

diff --git a/Lib/filecmp.py b/Lib/filecmp.py
index 4728317..3a79381 100644
--- a/Lib/filecmp.py
+++ b/Lib/filecmp.py
@@ -268,7 +268,7 @@
 def _cmp(a, b, sh, abs=abs, cmp=cmp):
     try:
         return not abs(cmp(a, b, sh))
-    except os.error:
+    except (os.error, IOError):
         return 2