Ensure downward compatability
Ensure downward compatability

Switching to old import workflow on werkzeug when new workflow fails.

rochacbruno/flasgger,rochacbruno/flasgger,rochacbruno/flasgger,flasgger/flasgger,flasgger/flasgger,flasgger/flasgger,flasgger/flasgger