code: def connect(self):
      try:
          self.client = WebClient(token=self.token)
          return DBHandlerStatus(status=True)
      except Exception as e:
          return DBHandlerStatus(status=False, error=str(e))
  
file_path: evadb/evadb/third_party/databases/slack/slack_handler.py
imports: import pandas
  from slack_sdk import WebClient
  from slack_sdk.errors import SlackApiError
  from evadb.third_party.types import DBHandler, DBHandlerResponse, DBHandlerStatus
label_desc: Use image node_id 2 for calling the SlackHandler obj's underlying member method code with example usage: obj.connect() and returns: DBHandlerStatus, DBHandlerStatus