Whitespace normalization.
diff --git a/Lib/compiler/visitor.py b/Lib/compiler/visitor.py
index 0560619..d7ae864 100644
--- a/Lib/compiler/visitor.py
+++ b/Lib/compiler/visitor.py
@@ -78,7 +78,7 @@
     you still have to do.
     """
     examples = {}
-    
+
     def dispatch(self, node, *args):
         self.node = node
         meth = self._cache.get(node.__class__, None)