code: def get_columns(self):
      return [
          "sid",
          "from_number",
          "to_number",
          "body",
          "direction",
          "msg_status",
          "sent_at",  # datetime.strptime(str(msg.date_sent), '%Y-%m-%d %H:%M:%S%z'),
          "account_sid",
          "price",
          "price_unit",
          "api_version",
          "uri",
      ]
  
imports: import os
  from twilio.rest import Client
  import re
  from datetime import datetime
  from typing import List
  import pandas
  from mindsdb.utilities import log
  from mindsdb.utilities.config import Config
  from mindsdb_sql.parser import ast
  from mindsdb.integrations.utilities.date_utils import parse_local_date
  from mindsdb.integrations.libs.api_handler import APIHandler, APITable
  from mindsdb.integrations.utilities.sql_utils import extract_comparison_conditions, project_dataframe, filter_dataframe
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse, RESPONSE_TYPE
label_desc: Use image node_id 2 for calling the WhatsAppMessagesTable obj's underlying member method code with example usage: obj.get_columns() and returns: list