Problem when higher version of setuptools (>44.0.0) is required

[adi-]

When I try to use the newest version of Celery celery==5.2.3 I have compilation errors, like:

Installing collected packages: vine, amqp, appdirs, six, python-dateutil, arrow, asgiref, async-timeout, attrs, pytz, babel, soupsieve, beautifulsoup4, billiard, urllib3, jmespath, botocore, s3transfer, boto3, brotli, cached-property, click, click-didyoumean, wcwidth, prompt-toolkit, click-repl, click-plugins, kombu, setuptools, celery, certifi, pycparser, cffi, chardet, webencodings, tinycss2, cssselect2, defusedxml, wrapt, deprecated, sqlparse, django, django-admin-sortable2, django-appconf, django-celery-email, django-dbbackup, django-debug-toolbar, django-extensions, django-flatpickr, django-formtools, hashids, django-hashid-field, markdown, pillow, django-markdownx, django-modeltranslation, py-moneyed, django-money, python-monkey-business, django-nested-admin, pyparsing, packaging, typing-extensions, redis, django-redis, django-s3direct, django-storages, text-unidecode, python-slugify, django-uuslug, django-widget-tweaks, zopfli, fonttools, gunicorn, html5lib, idna, isodate, lxml, psycopg2, pydyf, pygments, pyphen, python-stdnum, requests, requests-toolbelt, zeep, regonapi, sorl-thumbnail, unidecode, weasyprint
  Attempting uninstall: setuptools
    Found existing installation: setuptools 44.0.0
    Uninstalling setuptools-44.0.0:
      Successfully uninstalled setuptools-44.0.0
ERROR: Could not install packages due to an EnvironmentError: [Errno 39] Directory not empty: 'extern'

Traceback (most recent call last):
  File "/usr/bin/dh_virtualenv", line 114, in <module>
    sys.exit(main() or 0)
  File "/usr/bin/dh_virtualenv", line 94, in main
    deploy.install_dependencies()
  File "/usr/lib/python2.7/dist-packages/dh_virtualenv/deployment.py", line 202, in install_dependencies
    subprocess.check_call(self.pip('-r', requirements_path))
  File "/usr/lib/python2.7/subprocess.py", line 190, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['/bin/python', '/bin/pip', 'install', '--log=/tmp/tmp0OTAte', '-r', './requirements.txt']' returned non-zero exit status 1
make[1]: *** [debian/rules:22: override_dh_virtualenv] Error 1
make[1]: Leaving directory '/srv/'
make: *** [debian/rules:9: binary] Error 2
dpkg-buildpackage: error: fakeroot debian/rules binary subprocess returned exit status 2

Any chance to fix this? My dh-virtualenv is 1.2.