Install poetry with pipx

Author: humitos

.readthedocs.yaml

@@ -6,13 +6,13 @@ build:
     python: "3.10"
   jobs:
     post_create_environment:
+      # Install pipx
+      - pip install pipx
       # Install poetry
-      # https://python-poetry.org/docs/#installing-manually
-      - pip install poetry
-      # Tell poetry to not use a virtual environment
-      - poetry config virtualenvs.create false
+      # https://python-poetry.org/docs/#installing-with-pipx
+      - pipx install poetry
       # Install project's dependencies
-      - poetry install
+      - pipx run poetry install
 
 sphinx:
   configuration: docs/conf.py