Replaced .keys() with dictionary iterators

Lib/rlcompleter.py

@@ -104,8 +104,8 @@ class Completer:
         matches = []
         n = len(text)
         for list in [keyword.kwlist,
-                     __builtin__.__dict__.keys(),
-                     self.namespace.keys()]:
+                     __builtin__.__dict__,
+                     self.namespace]:
             for word in list:
                 if word[:n] == text and word != "__builtins__":
                     matches.append(word)