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/maxpumperla/"
          "elephas/blob/master/" + path + "#L" + str(line)
      )
      return "[[source]](" + link + ")"
  
imports: import re
  import inspect
  import os
  import shutil
  from elephas import spark_model, ml_model
  from elephas.parameter import client, server
  from elephas.utils import functional_utils, rdd_utils, serialization
  from elephas.ml import adapter
  from elephas.mllib import adapter
  import sys
label_desc: Use image node_id 5 for calling a global function with example usage: class_to_source_link(cls) and returns: unknown