报错了,说明这个def有问题,查了一些资料,发现。window里的pycharm自动吧test文件当成测试文件运行了,这才导致我的video参数没传进去,把test_video改为mytest_video就可以了。 感谢大神:https://blog.youkuaiyun.com/weixin_42278880/article/details/115025578?ops_request_misc=&request_id=&biz_id=102&utm_term=fixture%20%27video_path%27%20not%20found&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduweb~default-0-115025578.142^v33^control,185^v2^control&spm=1018.2226.3001.4187