diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index a5c0e43..b526844 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -28,6 +28,7 @@ jobs:
         python -m pip install --upgrade pip
         pip install mock
         pip install networkx==3.3
+        python setup.py install
     - name: Runt tests
       run: |
         python ./networkx_viewer/tests.py