Reverse a change in which bob found a bug

ikanobori · ikanobori · commit 2d93407085ad · 2010-07-12T15:21:20.000Z
diff --git a/bpython/repl.py b/bpython/repl.py
@@ -230,7 +230,7 @@ def __nonzero__(self):
         return self.index != -1
 
     def __iter__(self):
-        yield self
+        return self
 
     def current(self):
         if self.index == -1:
