Whitespace normalization.
diff --git a/Lib/whichdb.py b/Lib/whichdb.py
index fe54cc5..8687b71 100644
--- a/Lib/whichdb.py
+++ b/Lib/whichdb.py
@@ -6,7 +6,7 @@
     endsep = "/"
 else:
     endsep = "."
- 
+
 def whichdb(filename):
     """Guess which db package to use to open a db file.