Full output of pip install vext / vext.gi

a@desk:~/U/PSL/TP/guake
(master *=)(jc) $ pip install vext
Requirement already satisfied: vext in /home/a/.local/lib/python3.8/site-packages (0.7.6)
Requirement already satisfied: ruamel.yaml>=0.11.10 in /home/a/.local/lib/python3.8/site-packages (from vext) (0.17.17)
Requirement already satisfied: ruamel.yaml.clib>=0.1.2; platform_python_implementation == "CPython" and python_version < "3.10" in /home/a/.local/lib/python3.8/site-packages (from ruamel.yaml>=0.11.10->vext) (0.2.6)
a@desk:~/U/PSL/TP/guake
(master *=)(jc) $ pip install vext.gi
Collecting vext.gi
  Using cached vext.gi-0.7.4.tar.gz (2.9 kB)
Requirement already satisfied: vext>=0.7.4 in /home/a/.local/lib/python3.8/site-packages (from vext.gi) (0.7.6)
Requirement already satisfied: ruamel.yaml>=0.11.10 in /home/a/.local/lib/python3.8/site-packages (from vext>=0.7.4->vext.gi) (0.17.17)
Requirement already satisfied: ruamel.yaml.clib>=0.1.2; platform_python_implementation == "CPython" and python_version < "3.10" in /home/a/.local/lib/python3.8/site-packages (from ruamel.yaml>=0.11.10->vext>=0.7.4->vext.gi) (0.2.6)
Building wheels for collected packages: vext.gi
  Building wheel for vext.gi (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-wn6ynf0d/vext.gi/setup.py'"'"'; __file__='"'"'/tmp/pip-install-wn6ynf0d/vext.gi/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-o13yyo_s
       cwd: /tmp/pip-install-wn6ynf0d/vext.gi/
  Complete output (23 lines):
  running bdist_wheel
  running build
  installing to build/bdist.linux-x86_64/wheel
  running install
  vext.gi Install
  Not installing PTH file to real prefix
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/tmp/pip-install-wn6ynf0d/vext.gi/setup.py", line 62, in <module>
      setup(
    File "/usr/lib/python3/dist-packages/setuptools/__init__.py", line 144, in setup
      return distutils.core.setup(**attrs)
    File "/usr/lib/python3.8/distutils/core.py", line 148, in setup
      dist.run_commands()
    File "/usr/lib/python3.8/distutils/dist.py", line 966, in run_commands
      self.run_command(cmd)
    File "/usr/lib/python3.8/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/usr/lib/python3/dist-packages/wheel/bdist_wheel.py", line 275, in run
      self.egg2dist(self.egginfo_dir, distinfo_dir)
    File "/usr/lib/python3/dist-packages/wheel/bdist_wheel.py", line 372, in egg2dist
      raise ValueError(err)
  ValueError: Egg metadata expected at build/bdist.linux-x86_64/wheel/vext.gi-0.7.4.egg-info but not found
  ----------------------------------------
  ERROR: Failed building wheel for vext.gi
  Running setup.py clean for vext.gi
Failed to build vext.gi
Installing collected packages: vext.gi
    Running setup.py install for vext.gi ... done
Successfully installed vext.gi
a@desk:~/U/PSL/TP/guake
(master *=)(jc) $