修改

yolov5_flask.py

@@ -108,4 +108,5 @@ class Camera(BaseCamera):
                         plot_one_box(xyxy, im0, label=label, color=colors[int(cls)], line_thickness=3)
                 print('%sDone. (%.3fs)' % (s, t2 - t1))
 
-            yield cv2.imencode('.jpg', im0)[1].tobytes()
+            yield cv2.imencode('.jpg', im0)[1].tobytes()
+