Whitespace normalization.
diff --git a/Lib/posixpath.py b/Lib/posixpath.py
index 0f6b6a7..c587b68 100644
--- a/Lib/posixpath.py
+++ b/Lib/posixpath.py
@@ -398,5 +398,5 @@
             resolved = normpath(join(dir, resolved))
             newpath = join(*([resolved] + bits[i:]))
             return realpath(newpath)
-        
+
     return filename