def venv_fixture(pickle_file):
    with open(pickle_file, 'rb') as f:
        pkgs = pickle.load(f)
        dist_index = build_dist_index(pkgs)
        tree = construct_tree(dist_index)
        return pkgs, dist_index, tree
Override this to implement you own new filters
dataset/ETHPy150Open naiquevin/pipdeptree/tests/test_pipdeptree.py/venv_fixture--crossover with--dataset/ETHPy150Open dpgaspar/Flask-AppBuilder/flask_appbuilder/models/group.py/BaseGroupBy.apply