[misc] check existance of control before checking control type. fixes #4385
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@ -1035,7 +1035,7 @@ class MessageWindowMgr(gobject.GObject):
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'''Same as get_control. Was briefly required, is not any more.
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'''Same as get_control. Was briefly required, is not any more.
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May be useful some day in the future?'''
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May be useful some day in the future?'''
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ctrl = self.get_control(jid, acct)
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ctrl = self.get_control(jid, acct)
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if ctrl.type_id == message_control.TYPE_GC:
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if ctrl and ctrl.type_id == message_control.TYPE_GC:
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return ctrl
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return ctrl
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return None
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return None
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