Update app.py

app.py

@@ -113,9 +113,12 @@ def video_vision(video_input_path, prompt, video_interval):
     original_fps = cap.get(cv2.CAP_PROP_FPS)
 
     frame_skip_factor = video_interval
-
+    new_fps = None
     # Calculate new FPS
-    new_fps = original_fps / frame_skip_factor
+    if video_interval == 1:
+        new_fps = original_fps
+    else:
+        new_fps = original_fps / frame_skip_factor
 
     vid_frames, image_paths = read_video(video_input_path, video_interval)
     # create a question (<image> is a placeholder for the video frames)