error with fwd_media

Hi there , why I cant fwd_media ?
my code is
```
 source='0100000084cba20eed00000000000000de7109f106673ef5'
                        sender.fwd_media(msgSenderId,source)
```

and error is

```
   input_view = memoryview(self._input)
TypeError: memoryview: a bytes-like object is required, not 'str'
```