docs: def remove_namespace(self, namespace):
          """Remove all data associated with the current namespace"""
          params = (namespace, )
          execute = self.cursor.execute
          execute('DELETE FROM gauged_data WHERE namespace = %s', params)
          execute('DELETE FROM gauged_statistics WHERE namespace = %s', params)
          execute('DELETE FROM gauged_keys WHERE namespace = %s', params)
          self.remove_cache(namespace)