code: def send_caught_exception_stack(self, thread, arg, curr_frame_id):
          
          thread_id = get_thread_id(thread)
          int_cmd = InternalSendCurrExceptionTrace(thread_id, arg, curr_frame_id)
          self.post_internal_command(int_cmd, thread_id)
docs: Sends details on the exception which was caught (and where we stopped) to the java side.
  
          arg is: exception type, description, traceback object