install app through setup.py

Author: dennyche

.github/workflows/run_tests.yml

@@ -30,7 +30,7 @@ jobs:
       run: |
         pip install -U setuptools
         pip install -r requirements.txt
-        pip install .
+        python setup.py install
     - name: Lint with flake8
       run: |
         pip install flake8