Python3 Database Dictionary Cursor

dbconn.py

import pymysql


class DBConn:
    conn_obj = None
    def __init__(self):
        try:
            db = pymysql.connect(host="",
                                 user="",
                                 passwd="",
                                 db="")
            self.conn_obj = db.cursor(pymysql.cursors.DictCursor)
        except Exception as e:
            print("Unable to connect to DB for the following reason : "+str(e))
            
            
    def query(self.query.params):
        try:
            self.conn_obj.execute(query, params)
            if self.conn_obj.rowcount > 1:
              print("Handle a case of method is correct but no effects on DB like overrind the same values")
            response = "Successfull"
        except Exception as e:
            print("handle a case of exception")
            response = "Unexpected error for the follow reason : "+str(e)
        return ({'response': response})
    
    
    def __del__(self):
      self.conn_obj.close()