docs: def drop_schema(self):
          """Drop all gauged tables"""
          execute = self.cursor.execute
          execute('DROP TABLE IF EXISTS gauged_data')
          execute('DROP TABLE IF EXISTS gauged_keys')
          execute('DROP TABLE IF EXISTS gauged_writer_history')
          execute('DROP TABLE IF EXISTS gauged_cache')
          execute('DROP TABLE IF EXISTS gauged_statistics')
          execute('DROP TABLE IF EXISTS gauged_metadata')
          self.db.commit()