Trying to fix coverage report with pip install -e

Author: leszekhanusz

.github/workflows/tests.yml

@@ -69,7 +69,7 @@ jobs:
       - name: Install test dependencies
         run: |
           python -m pip install --upgrade pip wheel
-          pip install .[test]
+          pip install -e.[test]
       - name: Test with coverage
         run: pytest --cov=gql --cov-report=xml --cov-report=term-missing tests
       - name: Upload coverage to Codecov