def remove_oracle_listener(self, listener):
        # Remove oracle listener
        try:
            self._listeners.remove(listener)
        except __HOLE__ as e:
            self.Core.write_event(e.parameter + "\n", 'a')
dataset/ETHPy150Open owtf/owtf/framework/http/proxy/plugnhack/oracle_manager.py/OracleManager.remove_oracle_listener