class_docstr: A class for handling connections and interactions with the TripAdvisor Content API.
  
  Attributes:
      api_key (str): The unique API key to access Tripadvisor content.
      api (TripAdvisorAPI): The `TripAdvisorAPI` object for checking the connection to the TripAdvisor API.
docstr: Check the connection with TripAdvisor API
docstr_tok: ["Check","the","connection","with","TripAdvisor","API"]
code: def connect(self, api_version=2):
      """Check the connection with TripAdvisor API"""
  
      if self.is_connected is True:
          return self.api
  
      self.api = TripAdvisorAPI(api_key=self.connection_args["api_key"])
  
      self.is_connected = True
      return self.api
  
imports: import os
  import pandas
  from mindsdb.utilities import log
  from mindsdb.utilities.config import Config
  from mindsdb.integrations.libs.api_handler import APIHandler
  from mindsdb.integrations.libs.response import HandlerStatusResponse
  from .tripadvisor_table import SearchLocationTable
  from .tripadvisor_table import LocationDetailsTable
  from .tripadvisor_table import ReviewsTable
  from .tripadvisor_table import PhotosTable
  from .tripadvisor_table import NearbyLocationTable
  from .tripadvisor_api import TripAdvisorAPI
  from .tripadvisor_api import TripAdvisorAPICall
label_desc: Use image node_id 2 for calling the TripAdvisorHandler obj's underlying member method code with example usage: obj.connect(api_version) and returns: self, self