Update utils.py

utils.py

@@ -22,7 +22,7 @@ def sample_frames_from_video_file(
     # sample frames
     start_idx = 0
     end_idx = num_frames * frame_sampling_rate - 1
-    indices = np.linspace(start_idx, end_idx, num=num_frames, dtype=int)
+    indices = np.linspace(start_idx, end_idx, num=num_frames, dtype=np.int64)
     frames = videoreader.get_batch(indices).asnumpy()
 
     return frames
@@ -35,7 +35,7 @@ def get_num_total_frames(file_path: str):
 
 
 def convert_frames_to_gif(frames, save_path: str = "frames.gif"):
-    converted_frames = frames.astype(int)
+    converted_frames = frames.astype(np.uint8)
     Path(save_path).parent.mkdir(parents=True, exist_ok=True)
     imageio.mimsave(save_path, converted_frames, duration=125) # 8fps
     return save_path