fixes after change to src-layout

.github/workflows/ci.yml

@@ -36,8 +36,8 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install flake8 pytest pytest-mock pytest-cov mypy types-protobuf
-          pip install --use-pep517 -r requirements.txt
+          pip install -r requirements-dev.txt
+          pip install .
       - name: Lint with flake8
         run: |
           # stop the build if there are Python syntax errors or undefined names
@@ -46,8 +46,8 @@ jobs:
           flake8 . --count --exit-zero --max-complexity=10 --max-line-length=200 --statistics
       - name: Type checking with mypy
         run: |
-          mypy --install-types --non-interactive *.py
-          mypy --strict *.py
+          mypy --install-types --non-interactive src tests
+          mypy --strict src tests
         if: matrix.python-version == '3.x'
       - name: Test with pytest
         run: pytest