doc/pip-requirements.txt

   1 alabaster==0.7.12
   2 Babel==2.8.0
   3 certifi==2019.11.28
   4 chardet==3.0.4
   5 docutils==0.16
   6 idna==2.8
   7 imagesize==1.2.0
   8 Jinja2==2.11.1
   9 MarkupSafe==1.1.1
  10 Pygments==2.5.2
  11 pytz==2019.3
  12 requests==2.22.0
  13 six==1.15.0
  14 snowballstemmer==2.0.0
  15 Sphinx==1.6.7
  16 sphinxcontrib-websupport==1.2.0
  17 urllib3==1.25.8