我在pycharm中导入模块名称twisted.internet有问题,它说:
Select xx.startdate,xx.enddate,xx.person_id from xx_per_asg xx
LEFT OUTER JOIN per_asg per on per.person_id = xx.person_id
Where xx.start_date <> per.start_date
所以我认为问题是在python 2.7中所以我将我的环境改为python 3.5.2并且没有任何改变请帮助我 this is my screenshoot