docs: def confirm_project_avatar(self, project, cropping_properties):
          """Confirm the temporary avatar image previously uploaded with the specified cropping.
  
          After a successful registry with :py:meth:`create_temp_project_avatar`, use this method to confirm the avatar
          for use. The final avatar can be a subarea of the uploaded image, which is customized with the
          ``cropping_properties``: the return value of :py:meth:`create_temp_project_avatar` should be used for this
          argument.
  
          :param project: ID or key of the project to confirm the avatar in
          :param cropping_properties: a dict of cropping properties from :py:meth:`create_temp_project_avatar`
          """
          data = cropping_properties
          url = self._get_url('project/' + project + '/avatar')
          r = self._session.post(
              url, data=json.dumps(data))
  
          return json_loads(r)