Fix rtd build

.readthedocs.yaml

@@ -11,11 +11,14 @@ build:
   tools:
     python: "3.11"
   jobs:
+    pre_create_environment:
+      - apt install pipx
+      - pipx install poetry
     pre_install:
       - poetry config virtualenvs.create false
       - poetry install --with dev
+    post_install:
       - poe run doc-generate-files
-
       # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/conf.py