code: def upload_bel_namespace(self, update: bool = False) -> Namespace:
          
          if not self.is_populated():
              self.populate()
  
          namespace = self._get_default_namespace()
  
          if namespace is None:
              log.info('making namespace for %s', self._get_namespace_name())
              return self._make_namespace()
  
          if update:
              self._update_namespace(namespace)
  
          return namespace
docs: Upload the namespace to the PyBEL database.
  
          :param update: Should the namespace be updated first?