code: def get_source_link(thing, source_location):
      
      try:
          lineno = get_line(thing)
          try:
              owner_module = inspect.getmodule(thing)
              assert owner_module is not None
          except (TypeError, AssertionError):
              owner_module = inspect.getmodule(thing.fget)
  
          thing_file = "/".join(owner_module.__name__.split("."))
          if owner_module.__file__.endswith("__init__.py"):
              thing_file += "/__init__.py"
          else:
              thing_file += ".py"
          return (
              f"Source: [{escape(thing_file)}]({source_location}/{thing_file}#L{lineno})"
              + "\n\n"
          )
      except Exception as e:
          # print("Failed to find source file.")
          # print(e)
          # print(lineno)
          # print(thing)
          # print(owner_module)
          # print(thing_file)
          # print(source_location)
          pass
      return ""
docs: Get a link to the line number a module/class/function is defined at.
  
      Parameters
      ----------
      thing : function or class
          Thing to get the link for
      source_location : str
          GitHub url of the source code
  
      Returns
      -------
      str
          String with link to the file & line number, or empty string if it
          couldn't be found