使用WaveRNN报错

报错如下
> Traceback (most recent call last):
File "D:\Apps\Anaconda3\lib\site-packages\flask\app.py", line 2447, in wsgi_app
response = self.full_dispatch_request()
File "D:\Apps\Anaconda3\lib\site-packages\flask\app.py", line 1952, in full_dispatch_request
rv = self.handle_user_exception(e)
File "D:\Apps\Anaconda3\lib\site-packages\flask_restx\api.py", line 672, in error_router
return original_handler(e)
File "D:\Apps\Anaconda3\lib\site-packages\flask\app.py", line 1821, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "D:\Apps\Anaconda3\lib\site-packages\flask\_compat.py", line 39, in reraise
raise value
File "D:\Apps\Anaconda3\lib\site-packages\flask\app.py", line 1950, in full_dispatch_request
rv = self.dispatch_request()
File "D:\Apps\Anaconda3\lib\site-packages\flask\app.py", line 1936, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "D:\Users\Jerry\Documents\Jerry\MockingBird-main\web\__init__.py", line 118, in synthesize
write(out, sample_rate, wav.astype(np.float32))
AttributeError: 'tuple' object has no attribute 'astype'
127.0.0.1 - - [2022-03-09 14:13:44] "POST /api/synthesize HTTP/1.1" 500 426 14.539417

Start at web/__init__.py line 118 and trace the /api/synthesize call into the WaveRNN result. Reproduce the request, inspect the returned value against what write() expects, and confirm completion when synthesis no longer raises the reported AttributeError.

Written by the indexing model from the issue text.