class_docstr: Helper class that contains the flagging options and calls the flagging method. Also
  provides visual feedback to the user when flag is clicked.
class_docstr_tok: ["Helper","class","that","contains","the","flagging","options","and","calls","the","flagging","method",".","Also","provides","visual","feedback","to","the","user","when","flag","is","clicked","."]
code: def __call__(self, request: gr.Request, *flag_data):
      try:
          self.flagging_callback.flag(
              list(flag_data),
              flag_option=self.value,
              username=request.username,
          )
      except Exception as e:
          print(f"Error while flagging: {e}")
          if self.visual_feedback:
              return "Error!"
      if not self.visual_feedback:
          return
      time.sleep(
          0.8
      )  # to provide enough time for the user to observe button change
      return self.reset()
  
imports: from __future__ import annotations
  import csv
  import datetime
  import json
  import os
  import time
  import uuid
  from abc import ABC, abstractmethod
  from collections import OrderedDict
  from pathlib import Path
  from typing import TYPE_CHECKING, Any
  import filelock
  import huggingface_hub
  from gradio_client import utils
  from gradio_client.documentation import document, set_documentation_group
  import gradio
  from gradio import utils
label_desc: Use image node_id 2 for calling the FlagMethod obj's underlying member method code with example usage: obj.__call__(request) and returns: self, str