--- fix_import.orig.py.zz	2012-03-25 22:48:44.000000000 -0300
+++ fix_import.py	2014-03-07 16:43:13.125000000 -0300
@@ -10,6 +10,8 @@
     from . import spam
 """
 
+import glob
+
 # Local imports
 from .. import fixer_base
 from os.path import dirname, join, exists, sep
@@ -95,5 +97,8 @@
             return False
         for ext in [".py", sep, ".pyc", ".so", ".sl", ".pyd"]:
             if exists(base_path + ext):
-                return True
+                # account for Windows case-insensitive filenames
+                hits = glob.glob(base_path + ".*")
+                if base_path + ext in hits:
+                    return True
         return False