fix: package builds.

.github/workflows/python-package.yml

@@ -22,9 +22,9 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install tox setuptools pytest pytest-cov codecov
+        python -m pip install tox setuptools pytest pytest-cov codecov poetry
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-        python setup.py install
+        poetry build
     - name: Lint with tox
       run: |
         tox