--- a/mercurial/win32.py Tue Jun 23 22:38:21 2015 -0700
+++ b/mercurial/win32.py Tue Jun 23 22:20:08 2015 -0700
@@ -467,7 +467,7 @@
try:
os.rename(f, temp) # raises OSError EEXIST if temp exists
break
- except OSError, e:
+ except OSError as e:
if e.errno != errno.EEXIST:
raise
else: