prevent the use of chdir

setup.py

@@ -28,8 +28,7 @@ if sys.platform[0:3] == 'win':
         if not os.path.isdir(root_directory):
             return
 
-        with chdir(root_directory):
-            for root, __ignored, filenames in os.walk(os.curdir):
+        for root, __ignored, filenames in os.walk(root_directory):
             for filename in filenames:
                 yield os.path.join(root, filename)