pin lxml for older python 3.8

[fmigneault]

lxml==6.1.3 (https://github.com/lxml/lxml/releases/tag/lxml-6.1.3-1) managed to release right in between:

• (tests: ✅ using lxml==6.1.2) Merge #149, #152, #153 #154
• (tests: ❌ using lxml==6.1.3) 719240e (older v0.11.2 tag)

And that version fails on Python 3.8:

Collecting lxml (from pyramid_twitcher==0.11.2)
  Downloading lxml-6.1.3.tar.gz (4.2 MB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 4.2/4.2 MB 175.2 MB/s eta 0:00:00
  Installing build dependencies: started
  Installing build dependencies: finished with status 'done'
  Getting requirements to build wheel: started
  Getting requirements to build wheel: finished with status 'error'
  error: subprocess-exited-with-error
  
  × Getting requirements to build wheel did not run successfully.
  │ exit code: 1
  ╰─> [3 lines of output]
      Building lxml version 6.1.3.
      Building without Cython.
      Error: Please make sure the libxml2 and libxslt development packages are installed.
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: subprocess-exited-with-error

What a timing issue!
I will retrigger the tagged release with this patch once merged.

[Zeitsperre]

As long as it works!

Is there a plan to drop support for older Python? Most scientific libraries have already dropped Python3.10.

[fmigneault]

Yes. I think this should be done in a v0.12.0 right after.
@cehbrecht No problem to drop older python after? Docker uses Python 3.13 already for a while.