class_docstr: A class for handling connections and interactions with Slack API.
  Agrs:
      bot_token(str): The bot token for the Slack app.
docstr: Creates a WebClient object to connect to the Slack API token stored in the connection_args attribute.
code: def create_connection(self):
      """
      Creates a WebClient object to connect to the Slack API token stored in the connection_args attribute.
      """
  
      client = WebClient(token=self.connection_args["token"])
      return client
  
imports: import os
  from datetime import datetime, timezone
  import ast
  from typing import List
  import pandas
  from slack_sdk import WebClient
  from slack_sdk.errors import SlackApiError
  from slack_sdk.web.slack_response import SlackResponse
  from slack_sdk.socket_mode import SocketModeClient
  from slack_sdk.socket_mode.request import SocketModeRequest
  from slack_sdk.socket_mode.response import SocketModeResponse
  from mindsdb.interfaces.chatbot.types import ChatBotMessage
  from mindsdb.utilities import log
  from mindsdb.utilities.config import Config
  from mindsdb_sql.parser import ast
  from mindsdb_sql.parser.ast import ASTNode, Update, Delete
  from mindsdb_sql.planner.utils import query_traversal
  from mindsdb.integrations.libs.api_handler import APIChatHandler, APITable, FuncParser
  from mindsdb.integrations.utilities.sql_utils import extract_comparison_conditions
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse, RESPONSE_TYPE
label_desc: Use image node_id 5 for calling the SlackHandler obj's underlying member method code with example usage: obj.create_connection() and returns: client