def _get_last_updated_by_human_ms(exp_id):
 last_human_update_ms = 0
 snapshots_metadata = get_exploration_snapshots_metadata(exp_id)
 for snapshot_metadata in reversed(snapshots_metadata):
  if (snapshot_metadata['committer_id'] != feconf.MIGRATION_BOT_USER_ID):
   last_human_update_ms = snapshot_metadata['created_on_ms']
   break
 return last_human_update_ms

def _get_last_updated_by_human_ms ( exp_id ) : last_human_update_ms = 0 snapshots_metadata = get_exploration_snapshots_metadata ( exp_id ) for snapshot_metadata in reversed ( snapshots_metadata ) : if ( snapshot_metadata [ 'committer_id' ] != feconf . MIGRATION_BOT_USER_ID ) : last_human_update_ms = snapshot_metadata [ 'created_on_ms' ] break return last_human_update_ms
return the last time .