code: def update_feed_view(self, view, feed_id, view_id, project=None):
          
          route_values = {}
          if project is not None:
              route_values['project'] = self._serialize.url('project', project, 'str')
          if feed_id is not None:
              route_values['feedId'] = self._serialize.url('feed_id', feed_id, 'str')
          if view_id is not None:
              route_values['viewId'] = self._serialize.url('view_id', view_id, 'str')
          content = self._serialize.body(view, 'FeedView')
          response = self._send(http_method='PATCH',
                                location_id='42a8502a-6785-41bc-8c16-89477d930877',
                                version='5.1-preview.1',
                                route_values=route_values,
                                content=content)
          return self._deserialize('FeedView', response)
docs: UpdateFeedView.
          [Preview API] Update a view.
          :param :class:`<FeedView> <azure.devops.v5_1.feed.models.FeedView>` view: New settings to apply to the specified view.
          :param str feed_id: Name or Id of the feed.
          :param str view_id: Name or Id of the view.
          :param str project: Project ID or project name
          :rtype: :class:`<FeedView> <azure.devops.v5_1.feed.models.FeedView>`