[Bug] TypeError: 'NoneType' object is not subscriptable

[Yaodada12]

Describe the bug

when I use tts_models/multilingual/multi-dataset/xtts_v2, speaker cannot be specified.

To Reproduce

from TTS.api import TTS
# List available 🐸TTS models
print(TTS().list_models())

# Init TTS
tts = TTS("tts_models/multilingual/multi-dataset/xtts_v2").to("cpu")

# Run TTS
# ❗ Since this model is multi-lingual voice cloning model, we must set the target speaker_wav and language
# Text to speech to a file
tts.tts_to_file(text="Hello world!", speaker=tts.speakers[0], language=tts.languages[0], file_path="data/outputs/test/1.wav")

Expected behavior

no error

Logs

> tts_models/multilingual/multi-dataset/xtts_v2 is already downloaded.
 > Using model: xtts
Traceback (most recent call last):
File "/home/user/Desktop/TTS/demo.py", line 16, in <module>
    test_xttsv2()
File "/home/user/Desktop/TTS/demo.py", line 12, in test_xttsv2
    tts.tts_to_file(text="Hello world!", speaker=tts.speakers[0], language=tts.languages[0], file_path="data/outputs/test/1.wav")
TypeError: 'NoneType' object is not subscriptable

### Environment

```shell
TTS Version:v0.21.3;
Pytorch Version:2.1.0;
Python Version:3.8;
OS:Linux;

Additional context

No response

[peteh]

It might be related to this one: https://github.com/coqui-ai/TTS/commit/36143fee2625aac6c6b3f7c7d0e0b7d75800167a

If the speaker_file_path is None, it will try to load os.path.join(checkpoint_dir, "speakers_xtts.pth") If checkoint_dir is also None, because it's an optional parameter it will throw an exception because checkpoint_dir is not a path but None.

Then will fail in if os.path.exists(speaker_file_path): because the

[Yaodada12]

It might be related to this one: 36143fe

If the speaker_file_path is None, it will try to load os.path.join(checkpoint_dir, "speakers_xtts.pth") If checkoint_dir is also None, because it's an optional parameter it will throw an exception because checkpoint_dir is not a path but None.

Then will fail in if os.path.exists(speaker_file_path): because the

you are right, I can't find the speaker_file_path in model dir,this model is not officially open sourced by coqui-ai

[T0L0ve]

I solved the problem by delete the "tts_models/multilingual/multi-dataset/xtts_v2" model path and install tts0.22.0 ,it will redownload the model.Then you can get the speakers_xtts.pth I don't know why sometimes it didn't download all the files.

from TTS.api import TTS
print(TTS().list_models())
model_name = TTS().list_models().list_models()[0]
print(model_name)
tts = TTS(model_name).to('cuda')
tts.tts_to_file("你好，这是一个测试。这也是一个测试。",speaker=tts.speakers[0], language='zh-cn',file_path="output.wav")

[Yaodada12]

sometimes it didn't download all th

大佬666，你有尝试过用这套代码训练单个人的语音吗？

[Yaodada12]

I solved the problem by delete the "tts_models/multilingual/multi-dataset/xtts_v2" model path and install tts0.22.0 ,it will redownload the model.Then you can get the speakers_xtts.pth I don't know why sometimes it didn't download all the files.

from TTS.api import TTS
print(TTS().list_models())
model_name = TTS().list_models().list_models()[0]
print(model_name)
tts = TTS(model_name).to('cuda')
tts.tts_to_file("你好，这是一个测试。这也是一个测试。",speaker=tts.speakers[0], language='zh-cn',file_path="output.wav")

根据你说的重新下载模型，speakers_xtts.pth确实下载了，但是又报错“ 'TTS' object has no attribute 'speakers'”

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