diff --git a/selfdrive/ui/tests/test_ui/run.py b/selfdrive/ui/tests/test_ui/run.py
index c830680aa6..74d090c7e1 100755
--- a/selfdrive/ui/tests/test_ui/run.py
+++ b/selfdrive/ui/tests/test_ui/run.py
@@ -275,7 +275,7 @@ def create_screenshots():
   cam = DEVICE_CAMERAS[("tici", "ar0231")]
 
   frames_cache = f'{DEFAULT_CACHE_DIR}/ui_frames'
-  if os.path.isfile(frames_cache):
+  if os.path.isfile(frames_cache) and False:
     with open(frames_cache, 'rb') as f:
       frames = pickle.load(f)
       road_img = frames[0]
@@ -287,6 +287,7 @@ def create_screenshots():
       wide_road_img = FrameReader(route.ecamera_paths()[segnum]).get(0, pix_fmt="nv12")[0]
       driver_img = FrameReader(route.dcamera_paths()[segnum]).get(0, pix_fmt="nv12")[0]
       pickle.dump([road_img, wide_road_img, driver_img], f)
+    raise Exception
 
   STREAMS.append((VisionStreamType.VISION_STREAM_ROAD, cam.fcam, road_img.flatten().tobytes()))
   STREAMS.append((VisionStreamType.VISION_STREAM_WIDE_ROAD, cam.ecam, wide_road_img.flatten().tobytes()))
diff --git a/tools/lib/framereader.py b/tools/lib/framereader.py
index af23d4aa99..3491c9dfaa 100644
--- a/tools/lib/framereader.py
+++ b/tools/lib/framereader.py
@@ -420,6 +420,8 @@ class StreamGOPReader(GOPReader):
     if num < self.first_iframe:
       skip_frames = self.num_prefix_frames
 
+    print('frame_b', frame_b, 'num_frames', num_frames, 'skip_frames', skip_frames, 'rawdat', len(rawdat))
+
     return frame_b, num_frames, skip_frames, rawdat
 
 
@@ -489,6 +491,7 @@ class GOPFrameReader(BaseFrameReader):
       frame_b, num_frames, skip_frames, rawdat = self.get_gop(num)
       print('skip_frames', skip_frames)
 
+
       ret = decompress_video_data(rawdat, self.vid_fmt, self.w, self.h, pix_fmt)
       print('ret.shape', ret.shape)
       ret = ret[skip_frames:]