JSONDecodeError: Expecting value: line 1 column 1 (char 0)

[nikostap]

I installed via conda F5 TTS. When I try to press the generate button I get this error.
Traceback (most recent call last):
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\site-packages\gradio\queueing.py", line 625, in process_events
response = await route_utils.call_process_api(
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\site-packages\gradio\route_utils.py", line 322, in call_process_api
output = await app.get_blocks().process_api(
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\site-packages\gradio\blocks.py", line 2146, in process_api
result = await self.call_function(
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\site-packages\gradio\blocks.py", line 1664, in call_function
prediction = await anyio.to_thread.run_sync( # type: ignore
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\site-packages\anyio\to_thread.py", line 56, in run_sync
return await get_async_backend().run_sync_in_worker_thread(
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\site-packages\anyio_backends_asyncio.py", line 2470, in run_sync_in_worker_thread
return await future
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\site-packages\anyio_backends_asyncio.py", line 967, in run
result = context.run(func, *args)
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\site-packages\gradio\utils.py", line 884, in wrapper
response = f(*args, **kwargs)
File "A:\F5-TTS\src\f5_tts\infer\infer_gradio.py", line 292, in basic_tts
audio_out, spectrogram_path, ref_text_out, used_seed = infer(
File "A:\F5-TTS\src\f5_tts\infer\infer_gradio.py", line 158, in infer
ref_audio, ref_text = preprocess_ref_audio_text(ref_audio_orig, ref_text, show_info=show_info)
File "A:\F5-TTS\src\f5_tts\infer\utils_infer.py", line 296, in preprocess_ref_audio_text
aseg = AudioSegment.from_file(ref_audio_orig)
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\site-packages\pydub\audio_segment.py", line 728, in from_file
info = mediainfo_json(orig_file, read_ahead_limit=read_ahead_limit)
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\site-packages\pydub\utils.py", line 279, in mediainfo_json
info = json.loads(output)
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\json_init_.py", line 346, in loads
return _default_decoder.decode(s)
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\json\decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "C:\Users\nikostap\anaconda3\envs\f5-tts\lib\json\decoder.py", line 355, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)