code: def walk_directory_directories_relative_path(self, relativePath=""):
          
          # get directory info dict
          errorMessage = ""
          relativePath = os.path.normpath(relativePath)
          dirInfoDict, errorMessage = self.get_directory_info(relativePath)
          assert dirInfoDict is not None, errorMessage
          for dname in dict.__getitem__(dirInfoDict, "directories"):
              yield os.path.join(relativePath, dname)
docs: Walk a certain directory in repository and yield all found directories relative path.
  
          :parameters:
              #. relativePath (str): The relative path of the directory.