fix the semantic of max_edges parameter
the test on test_api_client about visit/edges using max_edges did not work, because the semantic of max_edges was not totally correct.
Migrated from D5707 (view on Phabricator)
the test on test_api_client about visit/edges using max_edges did not work, because the semantic of max_edges was not totally correct.
Migrated from D5707 (view on Phabricator)