Arch Linux

Description:
The pyls module needs setuptools, even if it is not invoked via the script /usr/bin/pyls

$ python -m pyls
Traceback (most recent call last):
File "/usr/lib/python3.8/runpy.py", line 192, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/usr/lib/python3.8/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/usr/lib/python3.8/site-packages/pyls/__main__.py", line 12, in <module>
from .python_ls import (PythonLanguageServer, start_io_lang_server,
File "/usr/lib/python3.8/site-packages/pyls/python_ls.py", line 13, in <module>
from .config import config
File "/usr/lib/python3.8/site-packages/pyls/config/config.py", line 3, in <module>
import pkg_resources
ModuleNotFoundError: No module named 'pkg_resources'

Additional info:
* community/python-language-server 0.31.2-1

Steps to reproduce:
1. Make sure python-setuptools is not installed
2. Install python-language-server
3. Run it with `python -m pyls`