PDF Gen - Fix linting issue

After pushing the current code to [bcros-common](https://github.com/bcgov/bcros-common) repo, we need to address the linting issues.

The current linting test results are as follows:

Please address the linting issues to ensure that the code passes the upcoming CI/CD tests.

**TODOs**

- [ ] Check the current linting test results.
- [ ] Identify and fix all reported linting issues in the code.
- [ ] Verify that the code is ready for the upcoming CI/CD tests without any linting errors.

Review the attached linting test results for bcros-common and locate each reported issue in the current code. Verify completion by rerunning the linting checks and confirming there are no linting errors before the CI/CD tests.

Written by the indexing model from the issue text.