added Try

.gitea/workflows/build.yaml

@@ -18,7 +18,9 @@ jobs:
       - name: Create virtualenv
         run: |
           python -m venv .venv
-          .venv/bin/pip install -r requirements-dev.txt
+          .venv/bin/pip install -r requirements.txt .
+      - name: Run mypy
+        run: .venv/bin/python -m mypy -p src
       - name: Run unit tests
         run: .venv/bin/python -m unittest discover -s tests
       - name: Execute build