code: def raises_not_implemented(self):
          
          if not self.exc:
              return False
          for name in self.exc._get_name_nodes():
              if name.name == "NotImplementedError":
                  return True
          return False
docs: Check if this node raises a :class:`NotImplementedError`.
  
          :returns: True if this node raises a :class:`NotImplementedError`,
              False otherwise.
          :rtype: bool