SyntaxError: f-string: expecting '}' on Python 3.11

[moschlar]

$ uvx cfengine -h
Traceback (most recent call last):
  File "/home/moschlar/.cache/uv/archive-v0/yX8Z4gWiqPA5AMw9NTT57/bin/cfengine", line 6, in <module>
    from cfengine_cli.main import main
  File "/home/moschlar/.cache/uv/archive-v0/yX8Z4gWiqPA5AMw9NTT57/lib/python3.11/site-packages/cfengine_cli/__init__.py", line 8, in <module>
    __import__("cfengine_cli." + module)
  File "/home/moschlar/.cache/uv/archive-v0/yX8Z4gWiqPA5AMw9NTT57/lib/python3.11/site-packages/cfengine_cli/main.py", line 7, in <module>
    from cfengine_cli import commands
  File "/home/moschlar/.cache/uv/archive-v0/yX8Z4gWiqPA5AMw9NTT57/lib/python3.11/site-packages/cfengine_cli/commands.py", line 3, in <module>
    from cfengine_cli.dev import dispatch_dev_subcommand
  File "/home/moschlar/.cache/uv/archive-v0/yX8Z4gWiqPA5AMw9NTT57/lib/python3.11/site-packages/cfengine_cli/dev.py", line 8, in <module>
    from cfengine_cli.docs import update_docs, check_docs
  File "/home/moschlar/.cache/uv/archive-v0/yX8Z4gWiqPA5AMw9NTT57/lib/python3.11/site-packages/cfengine_cli/docs.py", line 220
    f"Unsupported language '{language}'. The supported languages are: {", ".join(supported_languages.keys())}"
                                                                        ^
SyntaxError: f-string: expecting '}'

Using Python 3.12 helps: uvx -p cpython-3.12.11-linux-x86_64-gnu cfengine -h