code: def class_to_source_link(cls):
      module_name = clean_module_name(cls.__module__)
      path = module_name.replace(".", "/")
      path += ".py"
      line = inspect.getsourcelines(cls)[-1]
      link = (
          "https://github.com/danielegrattarola/"
          "spektral/blob/master/" + path + "#L" + str(line)
      )
      return "[[source]](" + link + ")"
  
imports: from __future__ import print_function, unicode_literals
  import glob
  import inspect
  import os
  import re
  import shutil
  from spektral import data, datasets, layers, models, transforms, utils
label_desc: Use image node_id 6 for calling a global function with example usage: class_to_source_link(cls) and returns: unknown