`tox -e py27` is broken on theia IDE

[snowch]

theia@1cd09086f133:/home/project$ ./pre_push_verifications.sh 
All done! ✨ 🍰 ✨
57 files left unchanged.
GLOB sdist-make: /home/project/setup.py
py27 recreate: /home/project/.tox/py27
py27 installdeps: future, jinja2, mock, nose, requests
WARNING: Discarding $PYTHONPATH from environment, to override specify PYTHONPATH in 'passenv' in your configuration.
py27 inst: /home/project/.tox/.tmp/package/1/hpecp-0.7.12.zip
WARNING: Discarding $PYTHONPATH from environment, to override specify PYTHONPATH in 'passenv' in your configuration.
ERROR: invocation failed (exit code 1), logfile: /home/project/.tox/py27/log/py27-2.log
============================================================================================================= log start ==============================================================================================================
DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support
Processing ./.tox/.tmp/package/1/hpecp-0.7.12.zip
  Installing build dependencies: started
  Installing build dependencies: finished with status 'error'
  ERROR: Command errored out with exit status 1:
   command: /home/project/.tox/py27/bin/python /home/project/.tox/py27/lib/python2.7/site-packages/pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-UBlzBQ/overlay --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'setuptools>=40.8.0' wheel
       cwd: None
  Complete output (22 lines):
  Traceback (most recent call last):
    File "/home/theia/.pyenv/versions/2.7.18/lib/python2.7/runpy.py", line 174, in _run_module_as_main
      "__main__", fname, loader, pkg_name)
    File "/home/theia/.pyenv/versions/2.7.18/lib/python2.7/runpy.py", line 72, in _run_code
      exec code in run_globals
    File "/home/project/.tox/py27/lib/python2.7/site-packages/pip/__main__.py", line 26, in <module>
      sys.exit(_main())
    File "/home/project/.tox/py27/lib/python2.7/site-packages/pip/_internal/cli/main.py", line 73, in main
      command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
    File "/home/project/.tox/py27/lib/python2.7/site-packages/pip/_internal/commands/__init__.py", line 104, in create_command
      module = importlib.import_module(module_path)
    File "/home/theia/.pyenv/versions/2.7.18/lib/python2.7/importlib/__init__.py", line 37, in import_module
      __import__(name)
    File "/home/project/.tox/py27/lib/python2.7/site-packages/pip/_internal/commands/install.py", line 17, in <module>
      from pip._internal.cli.req_command import RequirementCommand, with_cleanup
    File "/home/project/.tox/py27/lib/python2.7/site-packages/pip/_internal/cli/req_command.py", line 13, in <module>
      from pip._internal.cli.base_command import Command
    File "/home/project/.tox/py27/lib/python2.7/site-packages/pip/_internal/cli/base_command.py", line 6, in <module>
      import logging.config
    File "/home/theia/.pyenv/versions/2.7.18/lib/python2.7/logging/config.py", line 46, in <module>
      from SocketServer import ThreadingTCPServer, StreamRequestHandler
  ImportError: cannot import name ThreadingTCPServer
  ----------------------------------------
ERROR: Command errored out with exit status 1: /home/project/.tox/py27/bin/python /home/project/.tox/py27/lib/python2.7/site-packages/pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-UBlzBQ/overlay --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'setuptools>=40.8.0' wheel Check the logs for full command output.