code: def check_connection(self) -> DBHandlerStatus:
      if self.connection:
          return DBHandlerStatus(status=True)
      else:
          return DBHandlerStatus(
              status=False, error="Not connected to the database."
          )
  
file_path: evadb/evadb/third_party/databases/mysql/mysql_handler.py
imports: import mysql.connector
  import pandas
  from evadb.third_party.databases.types import DBHandler, DBHandlerResponse, DBHandlerStatus
label_desc: Use image node_id 5 for calling the MysqlHandler obj's underlying member method code with example usage: obj.check_connection() and returns: DBHandlerStatus, DBHandlerStatus