- This test validates the functionality of the `TemporalSpatialSmoothing` handler, which smooths image stacks in both temporal and spatial dimensions.
- The test uses random frames of noise and verifies the correctness of the handler.
- Made minor changes in `image.py`
- Updated code formatting for improved readability and consistency.
- Added error handling for cases when creating a PIL image from a numpy array.
- No significant changes were made in `video.py`.
These changes primarily focus on adding test coverage and maintaining code quality.