Update app.py

app.py

@@ -45,7 +45,7 @@ def fn_video(video_file, conf_thres, iou_thres, start_sec, duration):
             except Exception as e:
                 print(e)
                 continue
-
+            print("FRAME DTYPE", type(frame))
             out.write(pipeline(frame, conf_thres, iou_thres))
             num_frames += 1
             print("Processed {} frames".format(num_frames))