解决python3 Pycharm上连接数据库时报错的问题

AttributeError: 'NoneType' object has no attribute 'encoding

connect = pymysql.Connect(host='localhost',port=3333,user='root',passwd='root',db='circle',charset='utf-8');

connect = pymysql.Connect(host='localhost',port=3333,user='root',passwd='root',db='circle');