import os
os.chdir('/Users/tillwenke/Documents/darknet')
os.system(f'/Users/tillwenke/Documents/darknet/darknet detect /Users/tillwenke/Documents/darknet/cfg/yolov2.cfg /Users/tillwenke/Documents/darknet/yolov2.weights /Users/tillwenke/Documents/darknet/data/dog.jpg')