docs: def push_plugin(self, name):
          """
              Push a plugin to the registry.
  
              Args:
                  name (string): Name of the plugin to upload. The ``:latest``
                      tag is optional, and is the default if omitted.
  
              Returns:
                  ``True`` if successful
          """
          url = self._url('/plugins/{0}/pull', name)
  
          headers = {}
          registry, repo_name = auth.resolve_repository_name(name)
          header = auth.get_config_header(self, registry)
          if header:
              headers['X-Registry-Auth'] = header
          res = self._post(url, headers=headers)
          self._raise_for_status(res)
          return self._stream_helper(res, decode=True)