Update image_detect.py

Author: pythonlessons

YOLOv3-custom-training/image_detect.py

@@ -166,5 +166,4 @@ def detect_img(self, image):
     cv2.imshow(image, r_image)
     if cv2.waitKey(25) & 0xFF == ord("q"):
         cv2.destroyAllWindows()
-        break
     yolo.close_session()