Update app.py

app.py

@@ -161,6 +161,7 @@ def generate_item(user_input, ideas, generate_video=False, max_retries=3):
                                 number_of_videos=2,
                                 duration_seconds=8,
                                 negative_prompt="blurry, low quality, text, letters"
+                                # Removed enhance_prompt=True since it's the default
                             )
                         )
                         # Wait for videos to generate
@@ -168,13 +169,18 @@ def generate_item(user_input, ideas, generate_video=False, max_retries=3):
                             time.sleep(20)
                             operation = client.operations.get(operation)
                         
-                        # Check if operation succeeded and has a valid response
+                        # Enhanced error handling for video generation response
+                        if operation.error:
+                            raise ValueError(f"Video generation operation failed with error: {operation.error.message}")
                         if operation.response is None:
                             raise ValueError("Video generation operation failed: No response")
-                        if not hasattr(operation.response, 'generated_videos'):
+                        if not hasattr(operation.response, 'generated_videos') or operation.response.generated_videos is None:
                             raise ValueError("Video generation operation failed: No generated_videos in response")
                         
-                        for n, video in enumerate(operation.response.generated_videos):
+                        # Iterate over generated videos
+                        for n, video in enumerate(operation.response.generated_videos, start=1):
+                            if video is None or not hasattr(video, 'video'):
+                                raise ValueError(f"Video {n} is invalid or missing video data")
                             fname = f'with_image_input{n}.mp4'
                             print(f"Generated video: {fname}")
                             client.files.download(file=video.video)