all numbers title fail to create pdf

[divansantana]

With a nav bar like below.

- Logs:
    2020:
      - Something:
          - log/2020/something/somepage.md

Basically any title that is all numbers, it results in:

Traceback (most recent call last):
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/bin/mkdocs", line 10, in <module>
    sys.exit(cli())
  File "/home/user/.guix-extra-profiles/extras/extras/lib/python3.8/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/home/user/.guix-extra-profiles/extras/extras/lib/python3.8/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/home/user/.guix-extra-profiles/extras/extras/lib/python3.8/site-packages/click/core.py", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/user/.guix-extra-profiles/extras/extras/lib/python3.8/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/user/.guix-extra-profiles/extras/extras/lib/python3.8/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs/__main__.py", line 183, in build_command
    build.build(config.load_config(**kwargs), dirty=not clean)
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs/commands/build.py", line 309, in build
    config['plugins'].run_event('post_build', config=config)
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs/plugins.py", line 96, in run_event
    result = method(**kwargs)
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs_with_pdf/plugin.py", line 134, in on_post_build
    self.generator.on_post_build(config, self.config['output_path'])
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs_with_pdf/generator.py", line 126, in on_post_build
    content = self._get_content(soup, page)
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs_with_pdf/generator.py", line 248, in _get_content
    content = self._get_content(soup, c)
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs_with_pdf/generator.py", line 248, in _get_content
    content = self._get_content(soup, c)
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs_with_pdf/generator.py", line 264, in _get_content
    page_path = self._page_path_for_id(page)
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs_with_pdf/generator.py", line 185, in _page_path_for_id
    path = get_section_path(page)
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs_with_pdf/utils/section.py", line 11, in get_section_path
    slugs = list(map(lambda sec: _section_slug(sec), section.ancestors))
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs_with_pdf/utils/section.py", line 11, in <lambda>
    slugs = list(map(lambda sec: _section_slug(sec), section.ancestors))
  File "/home/user/.cache/venv/mobile-sre-docs-3.8.2/lib/python3.8/site-packages/mkdocs_with_pdf/utils/section.py", line 26, in _section_slug
    title = section.title if len(section.title) else str(uuid4)
TypeError: object of type 'int' has no len()

[divansantana]

Workaround would be to change 2020 above to Year 2020.

Solution, I guess to change convert the title to a str?

[orzih]

This issue has been fixed in v0.9.3. Please check it.