install pytest

.github/workflows/update-registry.yml

@@ -20,6 +20,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install --user -e git+https://github.com/wsp-sag/network_wrangler.git@main#egg=network_wrangler
+          pip install pytest
           python update_registry.py
 
       - name: commit files