class_docstr: A class for handling connections and interactions with Twilio WhatsApp API.
  Args:
      account_sid(str): Accound ID of the twilio account.
      auth_token(str): Authentication Token obtained from the twilio account.
class_docstr_tok: ["A","class","for","handling","connections","and","interactions","with","Twilio","WhatsApp","API",".","Args",":","account_sid","(","str",")",":","Accound","ID","of","the","twilio","account",".","auth_token","(","str",")",":","Authentication","Token","obtained","from","the","twilio","account","."]
docstr: Authenticate with the Twilio API using the provided `account_SID` and `auth_token`.
docstr_tok: ["Authenticate","with","the","Twilio","API","using","the","provided","`","account_SID","`","and","`","auth_token","`","."]
code: def connect(self):
      """
      Authenticate with the Twilio API using the provided `account_SID` and `auth_token`.
      """
      if self.is_connected is True:
          return self.client
  
      self.client = Client(
          self.connection_args["account_sid"],
          self.connection_args["auth_token"],
      )
  
      self.is_connected = True
      return self.client
  
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 WhatsAppHandler obj's underlying member method code with example usage: obj.connect() and returns: self, self