@classmethod<EOL><INDENT>def removeCallback(cls, eventType, func, record=None):<DEDENT>
callbacks = cls.callbacks()<EOL>callbacks.setdefault(eventType, [])<EOL>for i in xrange(len(callbacks[eventType])):<EOL><INDENT>my_func, my_record, _ = callbacks[eventType][i]<EOL>if func == my_func and record == my_record:<EOL><INDENT>del callbacks[eventType][i]<EOL>break<EOL><DEDENT><DEDENT>
Removes a callback from the model's event callbacks.

:param  eventType: <str>
:param  func: <callable>