code: def safe_import_module(path, default=None):
      
      if path is None:
          return default
      
      dot = path.rindex('.')
      module_name = path[:dot]
      class_name = path[dot + 1:]
      try:
          _class = getattr(import_module(module_name), class_name)
          return _class
      except (ImportError, AttributeError) as e:
          raise FeedparserError("{}: {}".format(e.__class__.__name__, e.message))
      
      return default
docs: Try to import the specified module from the given Python path
      
      @path is a string containing a Python path to the wanted module, @default is 
      an object to return if import fails, it can be None, a callable or whatever you need.
      
      Return a object or None