Make error message tests more flexible.

Seems like Python 3.11/3.12 changes keep appearing and disappearing.

Fix PyCharm compatibility ranges for #580.

Bump version number for patch release.

Fix PyCharm crash for #580.

Bump version number for patch release.

Update version and deploy.

Handle modules without source files to fix #548.

Also bump version number for a new release.

Add type hints and fix mypy errors.

Change Pillow tutorial stub to use show() method.

Remove upper version on PyCharm compatibility.

Publish more missing web files for release 4.9.0.

Bump ejs from 3.1.6 to 3.1.7 in /html (#460)

Bumps [ejs](https://github.com/mde/ejs) from 3.1.6 to 3.1.7.
- [Release notes](https://github.com/mde/ejs/releases)
- [Changelog](https://github.com/mde/ejs/blob/main/CHANGELOG.md)
- [Commits](mde/ejs@v3.1.6...v3.1.7)

---
updated-dependencies:
- dependency-name: ejs
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>