Whitespace normalization.
diff --git a/Lib/compiler/symbols.py b/Lib/compiler/symbols.py
index bf9a724..200341f 100644
--- a/Lib/compiler/symbols.py
+++ b/Lib/compiler/symbols.py
@@ -131,7 +131,7 @@
         rather than free.
 
         Be careful to stop if a child does not think the name is
-        free. 
+        free.
         """
         self.globals[name] = 1
         if self.frees.has_key(name):
@@ -172,7 +172,7 @@
 
 class ModuleScope(Scope):
     __super_init = Scope.__init__
-    
+
     def __init__(self):
         self.__super_init("global", self)
 
@@ -183,7 +183,7 @@
     __super_init = Scope.__init__
 
     __counter = 1
-    
+
     def __init__(self, module, klass=None):
         i = self.__counter
         self.__counter += 1
@@ -199,7 +199,7 @@
     def __init__(self):
         self.scopes = {}
         self.klass = None
-        
+
     # node that define new scopes
 
     def visitModule(self, node):
@@ -217,7 +217,7 @@
         self._do_args(scope, node.argnames)
         self.visit(node.code, scope)
         self.handle_free_vars(scope, parent)
-        
+
     def visitLambda(self, node, parent):
         for n in node.defaults:
             self.visit(n, parent)
@@ -326,7 +326,7 @@
             self.visit(node.lower, scope, 0)
         if node.upper:
             self.visit(node.upper, scope, 0)
-            
+
     def visitAugAssign(self, node, scope):
         # If the LHS is a name, then this counts as assignment.
         # Otherwise, it's just use.
@@ -371,8 +371,8 @@
 
     def get_names(syms):
         return [s for s in [s.get_name() for s in syms.get_symbols()]
-                if not (s.startswith('_[') or s.startswith('.'))]        
-    
+                if not (s.startswith('_[') or s.startswith('.'))]
+
     for file in sys.argv[1:]:
         print file
         f = open(file)