def filter_subgraph(self, start=None, end=None, include=()):
        """Exclude tasks that is not meant to be executed

        :param include: container with task names
        """
        wgraph = self.find_subgraph(start=start, end=end)
        for task in wgraph:
            if self.should_exclude_task(task) and include not in task:
                wgraph.remove_node(task)
        return wgraph
dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/orchestrator/orchestrator_graph.py/GraphSolver.filter_subgraph/swapped operands of `not in`