Infinite loop of "Requirement already satisfied" with the new pip resolver

example-output.txt

Requirement already satisfied: datasette>=0.50.2 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from -r requirements.txt (line 2)) (0.50.2)
Collecting sqlite-utils>=2.17
  Using cached sqlite_utils-2.22-py3-none-any.whl (30 kB)
Requirement already satisfied: click-default-group~=1.2.2 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (1.2.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Collecting twitter-to-sqlite~=0.20
  Using cached twitter_to_sqlite-0.21.3-py3-none-any.whl (26 kB)
Collecting inaturalist-to-sqlite~=0.2
  Using cached inaturalist_to_sqlite-0.2-py3-none-any.whl (9.0 kB)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Collecting pocket-to-sqlite~=0.2
  Using cached pocket_to_sqlite-0.2-py3-none-any.whl (9.2 kB)
Collecting twitter-to-sqlite~=0.20
  Using cached twitter_to_sqlite-0.21.2-py3-none-any.whl (25 kB)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Collecting twitter-to-sqlite~=0.20
  Using cached twitter_to_sqlite-0.21.1-py3-none-any.whl (25 kB)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Collecting twitter-to-sqlite~=0.20
  Using cached twitter_to_sqlite-0.21-py3-none-any.whl (25 kB)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Collecting twitter-to-sqlite~=0.20
  Using cached twitter_to_sqlite-0.20.1-py3-none-any.whl (25 kB)
Collecting twitter-to-sqlite~=0.20
  Using cached twitter_to_sqlite-0.20-py3-none-any.whl (25 kB)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)
Requirement already satisfied: click~=7.1.1 in /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages (from datasette>=0.50.2->-r requirements.txt (line 2)) (7.1.2)

requirements.txt

datasette>=0.50.2

# Plugins
datasette-graphql>=0.12.1
datasette-sentry
datasette-cluster-map~=0.10
datasette-vega
datasette-json-html
datasette-render-timestamps>=1.0
datasette-auth-passwords
datasette-pretty-json
datasette-haversine
datasette-rure
datasette-leaflet-geojson~=0.4
py-gfm # For GitHub-Flavored Markdown
datasette-render-markdown>=1.1.2
datasette-render-html
datasette-atom
datasette-configure-fts
datasette-search-all
datasette-show-errors
datasette-template-sql
datasette-write
datasette-psutil
datasette-init

# Dogsheep tools
dogsheep-beta>=0.9
sqlite-utils>=2.17
twitter-to-sqlite~=0.20
inaturalist-to-sqlite~=0.2
pocket-to-sqlite~=0.2
github-to-sqlite>=2.4
swarm-to-sqlite>=0.3.1
sqlite-diffable
# goodreads-to-sqlite using my branch
# until https://github.com/rixx/goodreads-to-sqlite/pull/5
https://github.com/simonw/goodreads-to-sqlite/archive/f3d5cd1692e8b5f830416512c6778079e500917a.zip
yaml-to-sqlite~=0.3
healthkit-to-sqlite~=0.5
hacker-news-to-sqlite~=0.3.1

python-dateutil

# Needed by Sentry
# https://docs.sentry.io/platforms/python/troubleshooting/#python-3-context-variables-or-thread-locals
aiocontextvars

# For Heroku db-to-sqlite
db-to-sqlite
psycopg2-binary

what-i-did.md

What I did

I ran this:

pip install --use-feature=2020-resolver -r requirements.txt

Using this version of pip:

% pip --version
pip 20.2.4 from /Users/simon/.local/share/virtualenvs/pipnext-HNJm0oR8/lib/python3.8/site-packages/pip (python 3.8)

Linked to this from a comment on an already existing issue here: pypa/pip#9011 (comment)