backend/src/app.py

@@ -113,7 +113,7 @@ def refresh():
        $ curl http://localhost:5000/api/refresh -X GET \
          -H "Authorization: Bearer <your_token>"
     """
-    old_token = request.get_data()
+    old_token = flask.request.get_data()
     new_token = guard.refresh_jwt_token(old_token)
     ret = {'access_token': new_token}
     return ret, 200