Index: install_egg_info.py
===================================================================
--- install_egg_info.py	(revision 68460)
+++ install_egg_info.py	(working copy)
@@ -31,6 +31,8 @@
 
     def run(self):
         target = self.target
+        if self.install_dir.endswith('\\'):
+            self.install_dir = self.install_dir[:-1]
         if os.path.isdir(target) and not os.path.islink(target):
             dir_util.remove_tree(target, dry_run=self.dry_run)
         elif os.path.exists(target):