Error
Traceback (most recent call last):
File "/Downloads/appiumn_auto-master/testCase/login.py", line 17, in setUp
super(testLogin, self).setUp()
File "/Downloads/appiumn_auto-master/testRunner/runnerBase.py", line 71, in setUp
if self.l_devices["platformName"] == common.ANDROID and common.FLAG:
TypeError: 'NoneType' object is not subscriptable
怎么运行到这里就失败了呀? 大家帮忙看看呀,谢谢了