fix for prev

.github/workflows/lint.yaml

@@ -17,7 +17,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
-          pip install flake8
+          pip install poetry
+          poetry install
       - name: Check flake8
         run: python -m flake8 .