cleanup

3 files changed, 2 insertions, 4 deletions

diff --git a/testlib.py b/testlib.py
index 528ae6d..cb98e90 100644
--- a/testlib.py
+++ b/testlib.py
@@ -22,8 +22,6 @@ If no non-option arguments are present, prefixes used are 'test',
 'regrtest', 'smoketest' and 'unittest'.
 
 """
-from __future__ import nested_scopes
-
 import sys
 import os, os.path as osp
 import re
diff --git a/tree.py b/tree.py
index 551c2d2..fa168ef 100644
--- a/tree.py
+++ b/tree.py
@@ -322,7 +322,7 @@ def post_order_list(node, filter_func=no_filter):
     return l
 
 def pre_order_list(node, filter_func=no_filter):
-    """ 
+    """
     create a list with tree nodes for which the <filter> function returned true
     in a pre order fashion
     """
diff --git a/visitor.py b/visitor.py
index 2fa42eb..df8d8cd 100644
--- a/visitor.py
+++ b/visitor.py
@@ -61,7 +61,7 @@ class Visitor:
         n = iterator.next()
         while n:
             result = n.accept(self)
-            n = iterator.next()  
+            n = iterator.next()
         return result
 
     def _get_iterator(self, node):