PY 3.8正常 但3.6却报错

都装好TQ.且都可收K线.但到了TICK级. 3.8正常.3.6报错:

File “site-packages\tqsdk\api.py”, line 1297, in <listcomp>
return [self[i][name] for i in range(0, self.width)]
KeyError: ‘iloc’