fix traceback
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1f72cda50d
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@ -734,7 +734,7 @@ class MessageWindow(object):
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del gajim.last_message_time[acct][old_jid]
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def controls(self):
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for jid_dict in self._controls.values():
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for jid_dict in list(self._controls.values()):
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for ctrl in jid_dict.values():
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yield ctrl
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