fix an error that prevents running webui on torch<2.0 without --disable-safe-unpickle

## 1.1.1

### Bug Fixes:

 * fix an error that prevents running webui on torch<2.0 without --disable-safe-unpickle

## 1.1.0

### Features:

 * switch to torch 2.0.0 (except for AMD GPUs)

    def persistent_load(self, saved_id):

        assert saved_id[0] == 'storage'

        try:

            return TypedStorage(_internal=True)

        except TypeError:

            return TypedStorage()  # PyTorch before 2.0 does not have the _internal argument

    def find_class(self, module, name):

        if self.extra_handler is not None: