CTQ2333

> > 同样报这个错误 > > 你解决了吗，参照[https://stackoverflow.com/questions/48088283/typeerror-long-argument-must-be-a-string-or-a-number-not-nonetype这个还是不行](https://stackoverflow.com/questions/48088283/typeerror-long-argument-must-be-a-string-or-a-number-not-nonetype%E8%BF%99%E4%B8%AA%E8%BF%98%E6%98%AF%E4%B8%8D%E8%A1%8C) 你好，请问这个错误解决了吗？我除了这个报错前面好多了两行报错，求教 Loading... Finish Load Graph.. libv4l2: error turning on stream: Invalid argument VIDIOC_STREAMON: Invalid argument Running detection.. Traceback (most recent call last): File "opencv_camera.py",...