- Downgrade `ty` dependency from 0.0.18 to 0.0.16 in `pyproject.toml` and related files to address compatibility issues.
- Refactor `filters.py` to use safer attribute handling for field errors.
- Remove unused `TestModelDocument` and `TestModel` references from `documents.py`, reducing unnecessary overhead.
- Minor cleanup in `serializers.py` for improved readability.
Fixes: (1) Removed all `# type: ignore` annotations across the codebase; (2) Fixed usage of Django Model methods by eliminating unnecessary `# type: ignore` directives; (3) Adjusted usage of functions like `get()` to align with method expectations, removing incorrect comments;
Extra: (1) Deleted `pyrightconfig.json` as part of migration to a stricter type-checked environment; (2) Minor code cleanup, including formatting changes and refactoring import statements in adherence to PEP8 recommendations.
