docs: def create(self, project, slug, content, **attrs):
          """
          create a new :class:`WikiPage`
  
          :param project: :class:`Project` id
          :param slug: slug of the wiki page
          :param content: content of the wiki page
          :param attrs: optional attributes for the :class:`WikiPage`
          """
          attrs.update({'project': project, 'slug': slug, 'content': content})
          return self._new_resource(payload=attrs)