def __init__(self, app, session=None):
        self.db = session and db()
        self.app = app
        self.tester = TestCase
        self.tester.runTest = lambda a: None
        self.tester = self.tester()
        self.here = os.path.abspath(os.path.dirname(__file__))
        self.fixture_dir = os.path.join(self.here, "..", "fixtures")
        self.default_headers = {
            "Content-Type": "application/json"
        }
        self.releases = []
        self.clusters = []
        self.nodes = []
        self.plugins = []
        self.openstack_configs = []
        self.network_manager = NetworkManager
dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/test/base.py/EnvironmentManager.__init__/operator `or` -> `and`