Whitespace normalization, via reindent.py.
diff --git a/Lib/lib-tk/Tix.py b/Lib/lib-tk/Tix.py
index f19bf97..eb349dd 100755
--- a/Lib/lib-tk/Tix.py
+++ b/Lib/lib-tk/Tix.py
@@ -1104,15 +1104,15 @@
         return self.subwidget_list[name]
 
     def page(self, name):
-       return self.subwidget(name)
+        return self.subwidget(name)
 
     def pages(self):
-       # Can't call subwidgets_all directly because we don't want .nbframe
-       names = self.tk.split(self.tk.call(self._w, 'pages'))
-       ret = []
-       for x in names:
-           ret.append(self.subwidget(x))
-       return ret
+        # Can't call subwidgets_all directly because we don't want .nbframe
+        names = self.tk.split(self.tk.call(self._w, 'pages'))
+        ret = []
+        for x in names:
+            ret.append(self.subwidget(x))
+        return ret
 
     def raise_page(self, name):              # raise is a python keyword
         self.tk.call(self._w, 'raise', name)
@@ -1737,7 +1737,7 @@
 
 class _dummyPanedWindow(PanedWindow, TixSubWidget):
     def __init__(self, master, name, destroy_physically=1):
-       TixSubWidget.__init__(self, master, name, destroy_physically)
+        TixSubWidget.__init__(self, master, name, destroy_physically)
 
 ########################
 ### Utility Routines ###