more debug and fix

.github/workflows/python-app.yml

@@ -41,13 +41,10 @@ jobs:
       run: |
         ls $GITHUB_WORKSPACE
         echo $GITHUB_WORKSPACE
-        echo {{ env.GITHUB_WORKSPACE }}
         echo $PYTHONPATH
         pytest test/
       env:
-        PYTHONPATH: $PYTHONPATH
-        GITHUB_WORKSPACE: $GITHUB_WORKSPACE
-        PYTHONPATH: {{ env.GITHUB_WORKSPACE }}/data-management-python:{{ env.PYTHONPATH }}
+        PYTHONPATH: "$GITHUB_WORKSPACE/data-management-python:$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"}'