Brett

Seconding this. I tried to add a function as a member of the state object. While it's quite clear from the documents that "Location state values will get serialized, so...

I think this is an error in the end user code which GCS rejects and the other services are more liberal about. The call [sys.getsizeof](https://docs.python.org/3/library/sys.html#sys.getsizeof)(fi_io) yields the size of the...

@samuel88-cloud Just a guess but perhaps the call to `save` with the same arguments is overwriting your change to `self.image`. Consider using a post-save signal to generate the thumbnails. In...