Obtaining pytorch_sphinx_theme from git+git://github.com/pytorch/pytorch_sphinx_theme.git#egg=pytorch_sphinx_theme (from -r requirements.txt (line 6))
  Cloning git://github.com/pytorch/pytorch_sphinx_theme.git to ./src/pytorch-sphinx-theme
  Running command git clone -q git://github.com/pytorch/pytorch_sphinx_theme.git /root/project/docs/src/pytorch-sphinx-theme
  fatal: remote error:
    The unauthenticated git protocol on port 9418 is no longer supported.
  Please see https://github.blog/2021-09-01-improving-git-protocol-security-github/ for more information.
WARNING: Discarding git+git://github.com/pytorch/pytorch_sphinx_theme.git#egg=pytorch_sphinx_theme. Command errored out with exit status 128: git clone -q git://github.com/pytorch/pytorch_sphinx_theme.git /root/project/docs/src/pytorch-sphinx-theme Check the logs for full command output.
Collecting matplotlib
  Downloading matplotlib-3.4.3-cp37-cp37m-manylinux1_x86_64.whl (10.3 MB)
     |████████████████████████████████| 10.3 MB 32.6 MB/s eta 0:00:011
Requirement already satisfied: numpy in /root/project/env/lib/python3.7/site-packages (from -r requirements.txt (line 2)) (1.21.3)
Collecting sphinx-copybutton>=0.3.1
  Downloading sphinx_copybutton-0.4.0-py3-none-any.whl (12 kB)
Collecting sphinx-gallery>=0.9.0
  Downloading sphinx-gallery-0.10.0.tar.gz (6.5 MB)
     |████████████████████████████████| 6.5 MB 27.8 MB/s eta 0:00:0101
Collecting sphinx==3.5.4
  Downloading Sphinx-3.5.4-py3-none-any.whl (2.8 MB)
     |████████████████████████████████| 2.8 MB 66.8 MB/s eta 0:00:011
ERROR: Could not find a version that satisfies the requirement pytorch-sphinx-theme (unavailable) (from versions: 0.0.18, 0.0.19)
ERROR: No matching distribution found for pytorch-sphinx-theme (unavailable)