Read-the-docs is a failing to build

[ajkavanagh]

Another casualty of Pip >= 20.3:

From: https://readthedocs.org/projects/zaza/ -> https://readthedocs.org/projects/zaza/builds/13491596/

Ignoring oslo.context: markers 'python_version < "3.6"' don't match your environment
Ignoring osprofiler: markers 'python_version < "3.6"' don't match your environment
Collecting aiounittest
  Downloading aiounittest-1.4.0-py3-none-any.whl (6.9 kB)
Collecting async_generator
  Downloading async_generator-1.10-py3-none-any.whl (18 kB)
Collecting juju
  Downloading juju-2.8.6.tar.gz (596 kB)
Collecting juju_wait
  Downloading juju_wait-2.8.4-py2.py3-none-any.whl (10 kB)
Collecting PyYAML>=3.0
  Downloading PyYAML-5.4.1-cp37-cp37m-manylinux1_x86_64.whl (636 kB)
Collecting flake8>=2.2.4
  Downloading flake8-3.9.0-py2.py3-none-any.whl (73 kB)
Collecting flake8-docstrings
  Downloading flake8_docstrings-1.6.0-py2.py3-none-any.whl (5.7 kB)
Collecting flake8-per-file-ignores
  Downloading flake8_per_file_ignores-0.8.1-py2.py3-none-any.whl (4.9 kB)
Collecting pydocstyle<4.0.0
  Downloading pydocstyle-3.0.0-py3-none-any.whl (33 kB)
Collecting coverage
  Downloading coverage-5.5-cp37-cp37m-manylinux2010_x86_64.whl (242 kB)
Collecting mock>=1.2
  Downloading mock-4.0.3-py3-none-any.whl (28 kB)
Collecting nose>=1.3.7
  Downloading nose-1.3.7-py3-none-any.whl (154 kB)
Collecting pbr<1.9.0,>=1.8.0
  Downloading pbr-1.8.1-py2.py3-none-any.whl (89 kB)
Collecting simplejson>=2.2.0
  Downloading simplejson-3.17.2-cp37-cp37m-manylinux2010_x86_64.whl (128 kB)
Collecting netifaces>=0.10.4
  Downloading netifaces-0.10.9.tar.gz (28 kB)
Collecting netaddr!=0.7.16,>=0.7.12
  Downloading netaddr-0.8.0-py2.py3-none-any.whl (1.9 MB)
Requirement already satisfied: Jinja2>=2.6 in /home/docs/checkouts/readthedocs.org/user_builds/zaza/envs/latest/lib/python3.7/site-packages (from -r requirements.txt (line 17)) (2.11.3)
Requirement already satisfied: six>=1.9.0 in /home/docs/checkouts/readthedocs.org/user_builds/zaza/envs/latest/lib/python3.7/site-packages (from -r requirements.txt (line 18)) (1.15.0)
Collecting dnspython>=1.12.0
  Downloading dnspython-2.1.0-py3-none-any.whl (241 kB)
Collecting psutil<2.0.0,>=1.1.1
  Downloading psutil-1.2.1.tar.gz (167 kB)
Collecting python-openstackclient>=3.14.0
  Downloading python_openstackclient-5.5.0-py3-none-any.whl (929 kB)
Collecting aodhclient
  Downloading aodhclient-2.2.0-py3-none-any.whl (51 kB)
Collecting python-designateclient
  Downloading python_designateclient-4.2.0-py3-none-any.whl (84 kB)
Collecting python-ceilometerclient
  Downloading python_ceilometerclient-2.9.0-py2.py3-none-any.whl (113 kB)
Collecting python-cinderclient
  Downloading python_cinderclient-7.4.0-py3-none-any.whl (278 kB)
Collecting python-glanceclient
  Downloading python_glanceclient-3.3.0-py3-none-any.whl (197 kB)
Collecting python-heatclient
  Downloading python_heatclient-2.3.0-py3-none-any.whl (213 kB)
Collecting python-keystoneclient
  Downloading python_keystoneclient-4.2.0-py3-none-any.whl (397 kB)
Collecting python-neutronclient
  Downloading python_neutronclient-7.3.0-py3-none-any.whl (436 kB)
Collecting python-novaclient
  Downloading python_novaclient-17.4.0-py3-none-any.whl (332 kB)
Collecting python-octaviaclient
  Downloading python_octaviaclient-2.3.0-py3-none-any.whl (110 kB)
Collecting python-swiftclient
  Downloading python_swiftclient-3.11.1-py2.py3-none-any.whl (86 kB)
Collecting tenacity
  Downloading tenacity-7.0.0-py2.py3-none-any.whl (23 kB)
Collecting distro-info
  Downloading distro-info-0.10.tar.gz (5.7 kB)
WARNING: Discarding https://files.pythonhosted.org/packages/91/e0/ccd731d32238bc18bb8ac80353b4028394f80d5ff7db0f93a5ba488690d3/distro-info-0.10.tar.gz#sha256=3c5c2c800e84f36e56e4c59b09981eae357127494f9eb391712888c3f7ac2916 (from https://pypi.org/simple/distro-info/). Requested distro-info from https://files.pythonhosted.org/packages/91/e0/ccd731d32238bc18bb8ac80353b4028394f80d5ff7db0f93a5ba488690d3/distro-info-0.10.tar.gz#sha256=3c5c2c800e84f36e56e4c59b09981eae357127494f9eb391712888c3f7ac2916 (from -r requirements.txt (line 36)) has inconsistent version: filename has '0.10', but metadata has '0.0.0'
ERROR: Could not find a version that satisfies the requirement distro-info
ERROR: No matching distribution found for distro-info

Basically, distro-info is the problem. The issue is, what's it for, when it hasn't been updated since 2013 on PyPi?