docstr: Authenticate with the Reddit API using the client ID, client secret
  and user agent provided in the constructor.
docstr_tok: ["Authenticate","with","the","Reddit","API","using","the","client","ID",",","client","secret","and","user","agent","provided","in","the","constructor","."]
code: def connect(self):
      """Authenticate with the Reddit API using the client ID, client secret
      and user agent provided in the constructor.
      """
      if self.is_connected is True:
          return self.reddit
  
      self.reddit = praw.Reddit(
          client_id=self.connection_args["client_id"],
          client_secret=self.connection_args["client_secret"],
          user_agent=self.connection_args["user_agent"],
      )
  
      self.is_connected = True
      return self.reddit
  
file_path: mindsdb/mindsdb/integrations/handlers/reddit_handler/reddit_handler.py
imports: import praw
  import pandas
  from datetime import datetime
  from mindsdb.integrations.libs.api_handler import APIHandler
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse, RESPONSE_TYPE
  from mindsdb.utilities.config import Config
  from mindsdb.utilities import log
  from .reddit_tables import CommentTable, SubmissionTable
label_desc: Use image node_id 2 for calling the RedditHandler obj's underlying member method code with example usage: obj.connect() and returns: self, self