Use poetry directly in lints

.github/workflows/main.yml

@@ -62,16 +62,20 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+      - name: Install Poetry
+        run: pipx install poetry
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
           python-version: "3.9"
-          cache: "pip"
-          cache-dependency-path: "**/requirements/*"
-      - name: Install tox
-        run: python -m pip install -U pip tox
-      - name: Check
-        run: tox -e flake8
+          cache: "poetry"
+          cache-dependency-path: "pyproject.toml"
+      - name: Install dependencies
+        run: |
+          poetry env use "3.9"
+          poetry install --no-interaction
+      - name: Run linters
+        run: poetry run invoke lint --diff
 
   docs:
     name: Build docs

tox.ini

@@ -30,17 +30,3 @@ filterwarnings =
     default::DeprecationWarning
     error:.*:Warning:pelican
 addopts = -n auto -r a
-
-[flake8]
-application-import-names = pelican
-import-order-style = cryptography
-max-line-length = 88
-
-[testenv:flake8]
-basepython = python3.9
-skip_install = true
-deps =
-    -rrequirements/style.pip
-commands =
-    flake8 --version
-    flake8 pelican