I:\>pip install coqui-tts
Requirement already satisfied: coqui-tts in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (0.27.2)
Requirement already satisfied: anyascii>=0.3.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (0.3.3)
Requirement already satisfied: coqpit-config<0.3.0,>=0.2.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (0.2.2)
Requirement already satisfied: coqui-tts-trainer<0.4.0,>=0.3.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (0.3.2)
Requirement already satisfied: cython>=3.0.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (3.2.2)
Requirement already satisfied: einops>=0.6.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (0.8.1)
Requirement already satisfied: encodec>=0.1.1 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (0.1.1)
Requirement already satisfied: fsspec>=2023.6.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from fsspec[http]>=2023.6.0->coqui-tts) (2025.12.0)
Collecting gruut>=2.4.0 (from gruut[de,es,fr]>=2.4.0->coqui-tts)
  Using cached gruut-2.4.0-py3-none-any.whl
Requirement already satisfied: inflect>=5.6.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (7.5.0)
Requirement already satisfied: librosa>=0.11.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (0.11.0)
Requirement already satisfied: matplotlib>=3.8.4 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (3.10.7)
Requirement already satisfied: monotonic-alignment-search>=0.1.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (0.2.1)
Requirement already satisfied: num2words>=0.5.14 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (0.5.14)
Requirement already satisfied: numba>=0.58.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (0.62.1)
Requirement already satisfied: numpy>=1.26.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (1.26.4)
Requirement already satisfied: packaging>=23.1 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (25.0)
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Requirement already satisfied: pyyaml>=6.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (6.0.3)
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Requirement already satisfied: soundfile>=0.12.0 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (0.13.1)
Collecting torch<2.9,>=2.1 (from coqui-tts)
  Using cached torch-2.8.0-cp311-cp311-win_amd64.whl.metadata (30 kB)
Collecting torchaudio<2.9,>=2.1.0 (from coqui-tts)
  Using cached torchaudio-2.8.0-cp311-cp311-win_amd64.whl.metadata (7.2 kB)
Requirement already satisfied: tqdm>=4.64.1 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (4.67.1)
Collecting transformers<4.56,>=4.52.1 (from coqui-tts)
  Using cached transformers-4.55.4-py3-none-any.whl.metadata (41 kB)
Requirement already satisfied: typing-extensions>=4.10 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts) (4.11.0)
Requirement already satisfied: psutil>=7 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts-trainer<0.4.0,>=0.3.0->coqui-tts) (7.1.3)
Requirement already satisfied: tensorboard>=2.17.1 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from coqui-tts-trainer<0.4.0,>=0.3.0->coqui-tts) (2.20.0)
Requirement already satisfied: filelock in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from torch<2.9,>=2.1->coqui-tts) (3.14.0)
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Requirement already satisfied: regex!=2019.12.17 in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from transformers<4.56,>=4.52.1->coqui-tts) (2024.5.15)
Requirement already satisfied: requests in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from transformers<4.56,>=4.52.1->coqui-tts) (2.32.2)
Collecting tokenizers<0.22,>=0.21 (from transformers<4.56,>=4.52.1->coqui-tts)
  Using cached tokenizers-0.21.4-cp39-abi3-win_amd64.whl.metadata (6.9 kB)
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Requirement already satisfied: six in c:\users\Robert\appdata\local\programs\python\python311\lib\site-packages (from jsonlines~=1.2.0->gruut>=2.4.0->gruut[de,es,fr]>=2.4.0->coqui-tts) (1.16.0)
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Using cached torch-2.8.0-cp311-cp311-win_amd64.whl (241.4 MB)
Using cached torchaudio-2.8.0-cp311-cp311-win_amd64.whl (2.5 MB)
Using cached transformers-4.55.4-py3-none-any.whl (11.3 MB)
Using cached tokenizers-0.21.4-cp39-abi3-win_amd64.whl (2.5 MB)
Installing collected packages: torch, torchaudio, tokenizers, gruut, transformers
  Attempting uninstall: torch
    Found existing installation: torch 2.9.1
    Uninstalling torch-2.9.1:
      Successfully uninstalled torch-2.9.1
  Attempting uninstall: torchaudio
    Found existing installation: torchaudio 2.9.1
    Uninstalling torchaudio-2.9.1:
      Successfully uninstalled torchaudio-2.9.1
  Attempting uninstall: tokenizers
    Found existing installation: tokenizers 0.22.1
    Uninstalling tokenizers-0.22.1:
      Successfully uninstalled tokenizers-0.22.1
  Attempting uninstall: gruut
    Found existing installation: gruut 2.2.3
    Uninstalling gruut-2.2.3:
      Successfully uninstalled gruut-2.2.3
  Attempting uninstall: transformers
    Found existing installation: transformers 4.57.3
    Uninstalling transformers-4.57.3:
      Successfully uninstalled transformers-4.57.3
ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
optimum 1.19.2 requires transformers[sentencepiece]<4.41.0,>=4.26.0, but you have transformers 4.55.4 which is incompatible.
torchvision 0.24.1 requires torch==2.9.1, but you have torch 2.8.0 which is incompatible.
tts 0.22.0 requires gruut[de,es,fr]==2.2.3, but you have gruut 2.4.0 which is incompatible.
Successfully installed gruut-2.4.0 tokenizers-0.21.4 torch-2.8.0 torchaudio-2.8.0 transformers-4.55.4

I:\>python
Python 3.11.9 (tags/v3.11.9:de54cf5, Apr  2 2024, 10:12:12) [MSC v.1938 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> from TTS.api import TTS
>>> tts = TTS("tts_models/multilingual/multi-dataset/xtts_v2").to("cpu")
 > tts_models/multilingual/multi-dataset/xtts_v2 is already downloaded.
W1204 20:06:29.013000 29888 site-packages\torch\distributed\elastic\multiprocessing\redirects.py:29] NOTE: Redirects are currently not supported in Windows or MacOs.
Traceback (most recent call last):
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\transformers\utils\import_utils.py", line 2292, in __getattr__
    module = self._get_module(self._class_to_module[name])
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\transformers\utils\import_utils.py", line 2322, in _get_module
    raise e
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\transformers\utils\import_utils.py", line 2320, in _get_module
    return importlib.import_module("." + module_name, self.__name__)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1204, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 940, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\transformers\models\gpt2\modeling_gpt2.py", line 34, in <module>
    from ...modeling_layers import GradientCheckpointingLayer
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\transformers\modeling_layers.py", line 28, in <module>
    from .processing_utils import Unpack
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\transformers\processing_utils.py", line 39, in <module>
    from .image_utils import ChannelDimension, is_vision_available, load_image
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\transformers\image_utils.py", line 59, in <module>
    from torchvision.transforms import InterpolationMode
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\torchvision\__init__.py", line 10, in <module>
    from torchvision import _meta_registrations, datasets, io, models, ops, transforms, utils  # usort:skip
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\torchvision\_meta_registrations.py", line 163, in <module>
    @torch.library.register_fake("torchvision::nms")
     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\torch\library.py", line 1069, in register
    use_lib._register_fake(
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\torch\library.py", line 219, in _register_fake
    handle = entry.fake_impl.register(
             ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\torch\_library\fake_impl.py", line 82, in register
    lib.impl(self.qualname, meta_kernel, "Meta", allow_override=allow_override)
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\torch\library.py", line 381, in impl
    self.m.impl(
RuntimeError: resource deadlock would occur: resource deadlock would occur

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\TTS\api.py", line 74, in __init__
    self.load_tts_model_by_name(model_name, gpu)
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\TTS\api.py", line 177, in load_tts_model_by_name
    self.synthesizer = Synthesizer(
                       ^^^^^^^^^^^^
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\TTS\utils\synthesizer.py", line 109, in __init__
    self._load_tts_from_dir(model_dir, use_cuda)
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\TTS\utils\synthesizer.py", line 161, in _load_tts_from_dir
    config = load_config(os.path.join(model_dir, "config.json"))
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\TTS\config\__init__.py", line 97, in load_config
    config_class = register_config(model_name.lower())
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\TTS\config\__init__.py", line 40, in register_config
    from TTS.tts.configs.xtts_config import XttsConfig
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\TTS\tts\configs\xtts_config.py", line 5, in <module>
    from TTS.tts.models.xtts import XttsArgs, XttsAudioConfig
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\TTS\tts\models\xtts.py", line 10, in <module>
    from TTS.tts.layers.xtts.gpt import GPT
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\TTS\tts\layers\xtts\gpt.py", line 12, in <module>
    from TTS.tts.layers.xtts.gpt_inference import GPT2InferenceModel
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\TTS\tts\layers\xtts\gpt_inference.py", line 5, in <module>
    from transformers import GPT2PreTrainedModel
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python311\Lib\site-packages\transformers\utils\import_utils.py", line 2295, in __getattr__
    raise ModuleNotFoundError(
ModuleNotFoundError: Could not import module 'GPT2PreTrainedModel'. Are this object's requirements defined correctly?

I:\>python collect_env_info.py
{
    "CUDA": {
        "GPU": [],
        "available": false,
        "version": null
    },
    "Packages": {
        "PyTorch_debug": false,
        "PyTorch_version": "2.8.0+cpu",
        "TTS": "0.22.0",
        "numpy": "1.26.4"
    },
    "System": {
        "OS": "Windows",
        "architecture": [
            "64bit",
            "WindowsPE"
        ],
        "processor": "Intel64 Family 6 Model 94 Stepping 3, GenuineIntel",
        "python": "3.11.9",
        "version": "10.0.19045"
    }
}