GH actions requirements

.github/workflows/pylint.yml

@@ -18,6 +18,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install tests/requirements.txt
+        pip install -e .
     - name: Analysing the code with pylint
       run: |
         pylint src

.github/workflows/python-package.yml

@@ -29,6 +29,7 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest
         pip install -r tests/requirements.txt
+        pip install -e .
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names