can't insatll plotmon on debian 10 "Could not find a version ..."

[nahk-eeza]

hi,

i have fully patched Debian 10 and working install of chia, but some how i can't complete the plotman installation.
python version:
Python 3.7.3

it return with following output.

 (venv) debian@debian:~/chia-blockchain$sudo pip install --force-reinstall git+https://github.com/ericaltendorf/plotman@main
Collecting git+https://github.com/ericaltendorf/plotman@main
  Cloning https://github.com/ericaltendorf/plotman (to revision main) to /tmp/pip-req-build-oVO1jJ
  Installing build dependencies ... done
Collecting appdirs~=1.4 (from plotman==0.3.1)
  Using cached https://files.pythonhosted.org/packages/3b/00/2344469e2084fb287c2e0b57b72910309874c3245463acd6cf5e3db69324/appdirs-1.4.4-py2.py3-none-any.whl
Collecting attrs==21.2 (from plotman==0.3.1)
  Using cached https://files.pythonhosted.org/packages/20/a9/ba6f1cd1a1517ff022b35acd6a7e4246371dfab08b8e42b829b6d07913cc/attrs-21.2.0-py2.py3-none-any.whl
Collecting click~=7.1 (from plotman==0.3.1)
  Using cached https://files.pythonhosted.org/packages/d2/3d/fa76db83bf75c4f8d338c2fd15c8d33fdd7ad23a9b5e57eb6c5de26b430e/click-7.1.2-py2.py3-none-any.whl
Collecting desert==2020.11.18 (from plotman==0.3.1)
  Could not find a version that satisfies the requirement desert==2020.11.18 (from plotman==0.3.1) (from versions: 0.1.1, 0.1.1.post1, 0.1.1.post2, 0.1.1.post3, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.1.6, 2019.11.6, 2019.12.9, 2019.12.10, 2019.12.18, 2020.1.3, 2020.1.4, 2020.1.5, 2020.1.6)
No matching distribution found for desert==2020.11.18 (from plotman==0.3.1)

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any idea what i am missing ?

[nahk-eeza]

any hint or tips?