setting up poetry

.github/workflows/test.yml

@@ -56,6 +56,10 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
+      - name: set up Poetry
+        uses: abatilo/actions-poetry@v2.0.0
+        with:
+          poetry-version: "1.3.1"
       - name: Set up Git Bash (Windows)
         if: runner.os == 'Windows'
         run: |