fix corehq.apps.app_manager.tests.test_suite:SuiteTest.test_fixtures_in_graph in py3
fix corehq.apps.app_manager.tests.test_suite:SuiteTest.test_fixtures_in_graph in py3

dimagi/commcare-hq,dimagi/commcare-hq,dimagi/commcare-hq,dimagi/commcare-hq,dimagi/commcare-hq