lee12321

Results 2 issues of lee12321

Have tried to make some change in the code, but failed to get the foam right under orthogonal camera.

I am using flask-admin and flask-security together, when I want to start celery worker, I get a pickling error. the detail can be seen on the [stackoverflow page](https://stackoverflow.com/questions/54644021/celery-flask-picklingerror-attribute-lookup-lambda-on-flask-security-core-fai), Thanks!