fixes

.github/workflows/python-app.yml

@@ -40,14 +40,14 @@ jobs:
     - name: Test with pytest
       run: |
         ls $GITHUB_WORKSPACE
-        echo ${{ env.GITHUB_WORKSPACE }}
+        echo '${{ env.GITHUB_WORKSPACE }}'
         echo $PYTHONPATH
-        echo ${{ env.PYTHONPATH }}
+        echo '${{ env.PYTHONPATH }}'
         pytest test/
       env:
         GITHUB_WORKSPACE: $GITHUB_WORKSPACE
         PYTHONPATH: $PYTHONPATH
-        PYTHONPATH: "${{ env.GITHUB_WORKSPACE }}/data-management-python:${{ env.PYTHONPATH }}"
+        PYTHONPATH: '${{ env.GITHUB_WORKSPACE }}/data-management-python:${{ env.PYTHONPATH }}'
         AIRFLOW__CORE__DAGBAG_IMPORT_TIMEOUT: 20
         AIRFLOW__SECRETS__BACKEND: airflow.secrets.local_filesystem.LocalFilesystemBackend
         AIRFLOW__SECRETS__BACKEND_KWARGS: '{"variables_file_path":"airflow_var/var.json","connections_file_path":"airflow_var/conn.json"}'