2025.12.24

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#11,495 opened on Dec 24, 2025 3 comments 0 reactions 0 assignees View on GitHub

Dominant language: Python
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Description

# ComfyUI Error Report
## Error Details
- **Node ID:** 1
- **Node Type:** FL_CosyVoice3_ModelLoader
- **Exception Type:** RuntimeError
- **Exception Message:** Error loading model: problem in cosyvoice.hifigan.hifigan - ModuleNotFoundError: No module named 'matplotlib'

## Stack Trace
```
File "D:\comfyui\resources\ComfyUI\execution.py", line 516, in execute
output_data, output_ui, has_subgraph, has_pending_tasks = await get_output_data(prompt_id, unique_id, obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "D:\comfyui\resources\ComfyUI\execution.py", line 330, in get_output_data
return_values = await _async_map_node_over_list(prompt_id, unique_id, obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "D:\comfyui\resources\ComfyUI\execution.py", line 304, in _async_map_node_over_list
await process_inputs(input_dict, i)

File "D:\comfyui\resources\ComfyUI\execution.py", line 292, in process_inputs
result = f(**inputs)
^^^^^^^^^^^

File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\nodes\model_loader.py", line 123, in load_model
raise RuntimeError(error_msg)

```
## System Information
- **ComfyUI Version:** 0.5.0
- **Arguments:** D:\comfyui\resources\ComfyUI\main.py --user-directory C:\comfyuipython\user --input-directory C:\comfyuipython\input --output-directory C:\comfyuipython\output --front-end-root D:\comfyui\resources\ComfyUI\web_custom_versions\desktop_app --base-directory C:\comfyuipython --extra-model-paths-config C:\Users\admin\AppData\Roaming\ComfyUI\extra_models_config.yaml --log-stdout --listen 127.0.0.1 --port 8001 --enable-manager
- **OS:** win32
- **Python Version:** 3.12.11 (main, Aug 18 2025, 19:17:54) [MSC v.1944 64 bit (AMD64)]
- **Embedded Python:** false
- **PyTorch Version:** 2.8.0+cu129
## Devices

- **Name:** cuda:0 NVIDIA GeForce RTX 4060 Ti : cudaMallocAsync
- **Type:** cuda
- **VRAM Total:** 17175019520
- **VRAM Free:** 15962472448
- **Torch VRAM Total:** 0
- **Torch VRAM Free:** 0

## Logs
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Processing 17 items: 100%|██████████| 17.0/17.0 [02:46<00:00, 20.7s/it]2025-12-24T22:20:12.075089 -
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2025-12-24T22:20:12.075832 - 2025-12-24 22:20:12,075 - modelscope - INFO - Download model 'FunAudioLLM/Fun-CosyVoice3-0.5B-2512' successfully.
2025-12-24T22:20:12.076337 - 2025-12-24 22:20:12,076 - modelscope - INFO - Creating symbolic link [C:\comfyuipython\models\cosyvoice\Fun-CosyVoice3-0.5B\FunAudioLLM\Fun-CosyVoice3-0.5B-2512].
2025-12-24T22:20:12.077348 - 2025-12-24 22:20:12,077 - modelscope - WARNING - Failed to create symbolic link C:\comfyuipython\models\cosyvoice\Fun-CosyVoice3-0.5B\FunAudioLLM\Fun-CosyVoice3-0.5B-2512 for C:\comfyuipython\models\cosyvoice\Fun-CosyVoice3-0.5B\FunAudioLLM\Fun-CosyVoice3-0___5B-2512.
2025-12-24T22:20:12.078654 -
============================================================2025-12-24T22:20:12.078654 -
2025-12-24T22:20:12.079382 - [FL CosyVoice3] Download complete!2025-12-24T22:20:12.079382 -
2025-12-24T22:20:12.079382 - [FL CosyVoice3] Model path: C:\comfyuipython\models\cosyvoice\Fun-CosyVoice3-0.5B\FunAudioLLM\Fun-CosyVoice3-0___5B-25122025-12-24T22:20:12.079382 -
2025-12-24T22:20:12.080168 - ============================================================
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============================================================2025-12-24T22:20:12.080675 -
2025-12-24T22:20:12.080675 - [FL CosyVoice3] Loading CosyVoice model from: C:\comfyuipython\models\cosyvoice\Fun-CosyVoice3-0.5B2025-12-24T22:20:12.080675 -
2025-12-24T22:20:12.080675 - ============================================================
2025-12-24T22:20:12.080675 -
2025-12-24T22:20:14.021019 - failed to import ttsfrd, use wetext instead2025-12-24T22:20:14.021019 -
2025-12-24T22:20:17.798012 - [FL CosyVoice3] Target device: cuda:02025-12-24T22:20:17.798012 -
2025-12-24T22:20:17.799931 - [FL CosyVoice3] Found config: C:\comfyuipython\models\cosyvoice\Fun-CosyVoice3-0.5B\FunAudioLLM\Fun-CosyVoice3-0___5B-2512\cosyvoice3.yaml2025-12-24T22:20:17.799931 -
2025-12-24T22:20:17.800363 - [FL CosyVoice3] Using AutoModel to load from: C:\comfyuipython\models\cosyvoice\Fun-CosyVoice3-0.5B\FunAudioLLM\Fun-CosyVoice3-0___5B-25122025-12-24T22:20:17.800363 -
2025-12-24T22:20:20.036458 - input frame rate=25
2025-12-24T22:20:20.914671 -
============================================================2025-12-24T22:20:20.914671 -
2025-12-24T22:20:20.914671 - [FL CosyVoice3] ERROR loading model: problem in cosyvoice.hifigan.hifigan - ModuleNotFoundError: No module named 'matplotlib'2025-12-24T22:20:20.915678 -
2025-12-24T22:20:20.929357 - Traceback (most recent call last):
2025-12-24T22:20:20.929357 - 2025-12-24T22:20:20.929357 - File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\pydoc.py", line 475, in safeimport
module = importlib.import_module(path)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.930365 - 2025-12-24T22:20:20.930365 - File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\importlib\__init__.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.930365 - 2025-12-24T22:20:20.930365 - File "", line 1387, in _gcd_import
2025-12-24T22:20:20.930365 - 2025-12-24T22:20:20.930365 - File "", line 1360, in _find_and_load
2025-12-24T22:20:20.931362 - 2025-12-24T22:20:20.931362 - File "", line 1331, in _find_and_load_unlocked
2025-12-24T22:20:20.931362 - 2025-12-24T22:20:20.931362 - File "", line 935, in _load_unlocked
2025-12-24T22:20:20.932363 - 2025-12-24T22:20:20.932688 - File "", line 999, in exec_module
2025-12-24T22:20:20.932688 - 2025-12-24T22:20:20.932688 - File "", line 488, in _call_with_frames_removed
2025-12-24T22:20:20.933193 - 2025-12-24T22:20:20.933193 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\cosyvoice\hifigan\hifigan.py", line 5, in
from matcha.hifigan.models import feature_loss, generator_loss, discriminator_loss
2025-12-24T22:20:20.933193 - 2025-12-24T22:20:20.933193 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\matcha\hifigan\models.py", line 10, in
from .xutils import get_padding, init_weights
2025-12-24T22:20:20.933193 - 2025-12-24T22:20:20.933193 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\matcha\hifigan\xutils.py", line 7, in
import matplotlib
2025-12-24T22:20:20.934198 - 2025-12-24T22:20:20.934198 - ModuleNotFoundError: No module named 'matplotlib'
2025-12-24T22:20:20.934198 - 2025-12-24T22:20:20.935199 -
During handling of the above exception, another exception occurred:

2025-12-24T22:20:20.935199 - 2025-12-24T22:20:20.935199 - Traceback (most recent call last):
2025-12-24T22:20:20.935199 - 2025-12-24T22:20:20.936199 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\model_manager.py", line 245, in load_cosyvoice_model
model = AutoModel(model_dir=model_dir, load_trt=False, fp16=False)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.936532 - 2025-12-24T22:20:20.936532 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\cosyvoice\cli\cosyvoice.py", line 236, in AutoModel
return CosyVoice3(**kwargs)
^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.937036 - 2025-12-24T22:20:20.937036 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\cosyvoice\cli\cosyvoice.py", line 200, in __init__
configs = load_hyperpyyaml(f, overrides={'qwen_pretrain_path': os.path.join(model_dir, 'CosyVoice-BlankEN')})
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.937036 - 2025-12-24T22:20:20.937350 - File "C:\comfyuipython\.venv\Lib\site-packages\hyperpyyaml\core.py", line 188, in load_hyperpyyaml
hparams = yaml.load(yaml_stream, Loader=loader)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.937350 - 2025-12-24T22:20:20.937854 - File "C:\comfyuipython\.venv\Lib\site-packages\yaml\__init__.py", line 81, in load
return loader.get_single_data()
^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.937854 - 2025-12-24T22:20:20.937854 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 119, in get_single_data
return self.construct_document(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.937854 - 2025-12-24T22:20:20.937854 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 123, in construct_document
data = self.construct_object(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.938861 - 2025-12-24T22:20:20.938861 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 150, in construct_object
data = self.construct_non_recursive_object(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.938861 - 2025-12-24T22:20:20.938861 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 191, in construct_non_recursive_object
for _dummy in generator:
^^^^^^^^^
2025-12-24T22:20:20.939539 - 2025-12-24T22:20:20.939539 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 629, in construct_yaml_map
value = self.construct_mapping(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.940048 - 2025-12-24T22:20:20.940048 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 425, in construct_mapping
return BaseConstructor.construct_mapping(self, node, deep=deep)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.940048 - 2025-12-24T22:20:20.940048 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 247, in construct_mapping
value = self.construct_object(value_node, deep=deep)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.940048 - 2025-12-24T22:20:20.940048 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 150, in construct_object
data = self.construct_non_recursive_object(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.940048 - 2025-12-24T22:20:20.941054 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 186, in construct_non_recursive_object
data = constructor(self, tag_suffix, node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.941054 - 2025-12-24T22:20:20.941571 - File "C:\comfyuipython\.venv\Lib\site-packages\hyperpyyaml\core.py", line 470, in _construct_object
callable_ = pydoc.locate(callable_string)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.941571 - 2025-12-24T22:20:20.941571 - File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\pydoc.py", line 1813, in locate
nextmodule = safeimport('.'.join(parts[:n+1]), forceload)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.942085 - 2025-12-24T22:20:20.942085 - File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\pydoc.py", line 489, in safeimport
raise ErrorDuringImport(path, err)
2025-12-24T22:20:20.942085 - 2025-12-24T22:20:20.942085 - pydoc.ErrorDuringImport: problem in cosyvoice.hifigan.hifigan - ModuleNotFoundError: No module named 'matplotlib'
2025-12-24T22:20:20.942085 - 2025-12-24T22:20:20.942085 - ============================================================
2025-12-24T22:20:20.943091 -
2025-12-24T22:20:20.943091 -
============================================================2025-12-24T22:20:20.943091 -
2025-12-24T22:20:20.943091 - [FL CosyVoice3 ModelLoader] ERROR: Error loading model: problem in cosyvoice.hifigan.hifigan - ModuleNotFoundError: No module named 'matplotlib'2025-12-24T22:20:20.943091 -
2025-12-24T22:20:20.944092 - Traceback (most recent call last):
2025-12-24T22:20:20.944092 - 2025-12-24T22:20:20.945091 - File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\pydoc.py", line 475, in safeimport
module = importlib.import_module(path)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.945091 - 2025-12-24T22:20:20.945091 - File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\importlib\__init__.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.945831 - 2025-12-24T22:20:20.945831 - File "", line 1387, in _gcd_import
2025-12-24T22:20:20.945831 - 2025-12-24T22:20:20.945831 - File "", line 1360, in _find_and_load
2025-12-24T22:20:20.946840 - 2025-12-24T22:20:20.946840 - File "", line 1331, in _find_and_load_unlocked
2025-12-24T22:20:20.946840 - 2025-12-24T22:20:20.946840 - File "", line 935, in _load_unlocked
2025-12-24T22:20:20.946840 - 2025-12-24T22:20:20.946840 - File "", line 999, in exec_module
2025-12-24T22:20:20.946840 - 2025-12-24T22:20:20.946840 - File "", line 488, in _call_with_frames_removed
2025-12-24T22:20:20.947838 - 2025-12-24T22:20:20.947838 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\cosyvoice\hifigan\hifigan.py", line 5, in
from matcha.hifigan.models import feature_loss, generator_loss, discriminator_loss
2025-12-24T22:20:20.947838 - 2025-12-24T22:20:20.947838 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\matcha\hifigan\models.py", line 10, in
from .xutils import get_padding, init_weights
2025-12-24T22:20:20.948513 - 2025-12-24T22:20:20.948513 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\matcha\hifigan\xutils.py", line 7, in
import matplotlib
2025-12-24T22:20:20.949020 - 2025-12-24T22:20:20.949020 - ModuleNotFoundError: No module named 'matplotlib'
2025-12-24T22:20:20.949020 - 2025-12-24T22:20:20.949546 -
During handling of the above exception, another exception occurred:

2025-12-24T22:20:20.949546 - 2025-12-24T22:20:20.949911 - Traceback (most recent call last):
2025-12-24T22:20:20.949911 - 2025-12-24T22:20:20.950415 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\nodes\model_loader.py", line 99, in load_model
model_info = get_cached_model(
^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.950415 - 2025-12-24T22:20:20.950415 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\model_manager.py", line 297, in get_cached_model
model = load_cosyvoice_model(model_path, device)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.950415 - 2025-12-24T22:20:20.950415 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\model_manager.py", line 245, in load_cosyvoice_model
model = AutoModel(model_dir=model_dir, load_trt=False, fp16=False)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.951420 - 2025-12-24T22:20:20.951420 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\cosyvoice\cli\cosyvoice.py", line 236, in AutoModel
return CosyVoice3(**kwargs)
^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.951420 - 2025-12-24T22:20:20.951420 - File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\cosyvoice\cli\cosyvoice.py", line 200, in __init__
configs = load_hyperpyyaml(f, overrides={'qwen_pretrain_path': os.path.join(model_dir, 'CosyVoice-BlankEN')})
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.951420 - 2025-12-24T22:20:20.952426 - File "C:\comfyuipython\.venv\Lib\site-packages\hyperpyyaml\core.py", line 188, in load_hyperpyyaml
hparams = yaml.load(yaml_stream, Loader=loader)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.952426 - 2025-12-24T22:20:20.952426 - File "C:\comfyuipython\.venv\Lib\site-packages\yaml\__init__.py", line 81, in load
return loader.get_single_data()
^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.952426 - 2025-12-24T22:20:20.952426 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 119, in get_single_data
return self.construct_document(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.953421 - 2025-12-24T22:20:20.953421 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 123, in construct_document
data = self.construct_object(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.953421 - 2025-12-24T22:20:20.953421 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 150, in construct_object
data = self.construct_non_recursive_object(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.953421 - 2025-12-24T22:20:20.953421 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 191, in construct_non_recursive_object
for _dummy in generator:
^^^^^^^^^
2025-12-24T22:20:20.954926 - 2025-12-24T22:20:20.954926 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 629, in construct_yaml_map
value = self.construct_mapping(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.954926 - 2025-12-24T22:20:20.954926 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 425, in construct_mapping
return BaseConstructor.construct_mapping(self, node, deep=deep)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.954926 - 2025-12-24T22:20:20.955934 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 247, in construct_mapping
value = self.construct_object(value_node, deep=deep)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.955934 - 2025-12-24T22:20:20.955934 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 150, in construct_object
data = self.construct_non_recursive_object(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.955934 - 2025-12-24T22:20:20.955934 - File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 186, in construct_non_recursive_object
data = constructor(self, tag_suffix, node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.956905 - 2025-12-24T22:20:20.956905 - File "C:\comfyuipython\.venv\Lib\site-packages\hyperpyyaml\core.py", line 470, in _construct_object
callable_ = pydoc.locate(callable_string)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.957412 - 2025-12-24T22:20:20.957412 - File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\pydoc.py", line 1813, in locate
nextmodule = safeimport('.'.join(parts[:n+1]), forceload)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-12-24T22:20:20.957412 - 2025-12-24T22:20:20.957412 - File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\pydoc.py", line 489, in safeimport
raise ErrorDuringImport(path, err)
2025-12-24T22:20:20.958089 - 2025-12-24T22:20:20.958089 - pydoc.ErrorDuringImport: problem in cosyvoice.hifigan.hifigan - ModuleNotFoundError: No module named 'matplotlib'
2025-12-24T22:20:20.958089 - 2025-12-24T22:20:20.958595 - ============================================================
2025-12-24T22:20:20.958595 -
2025-12-24T22:20:20.958595 - !!! Exception during processing !!! Error loading model: problem in cosyvoice.hifigan.hifigan - ModuleNotFoundError: No module named 'matplotlib'
2025-12-24T22:20:20.960842 - Traceback (most recent call last):
File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\pydoc.py", line 475, in safeimport
module = importlib.import_module(path)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\importlib\__init__.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1387, in _gcd_import
File "", line 1360, in _find_and_load
File "", line 1331, in _find_and_load_unlocked
File "", line 935, in _load_unlocked
File "", line 999, in exec_module
File "", line 488, in _call_with_frames_removed
File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\cosyvoice\hifigan\hifigan.py", line 5, in
from matcha.hifigan.models import feature_loss, generator_loss, discriminator_loss
File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\matcha\hifigan\models.py", line 10, in
from .xutils import get_padding, init_weights
File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\matcha\hifigan\xutils.py", line 7, in
import matplotlib
ModuleNotFoundError: No module named 'matplotlib'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\nodes\model_loader.py", line 99, in load_model
model_info = get_cached_model(
^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\model_manager.py", line 297, in get_cached_model
model = load_cosyvoice_model(model_path, device)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\model_manager.py", line 245, in load_cosyvoice_model
model = AutoModel(model_dir=model_dir, load_trt=False, fp16=False)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\cosyvoice\cli\cosyvoice.py", line 236, in AutoModel
return CosyVoice3(**kwargs)
^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\utils\..\cosyvoice\cli\cosyvoice.py", line 200, in __init__
configs = load_hyperpyyaml(f, overrides={'qwen_pretrain_path': os.path.join(model_dir, 'CosyVoice-BlankEN')})
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\hyperpyyaml\core.py", line 188, in load_hyperpyyaml
hparams = yaml.load(yaml_stream, Loader=loader)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\yaml\__init__.py", line 81, in load
return loader.get_single_data()
^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 119, in get_single_data
return self.construct_document(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 123, in construct_document
data = self.construct_object(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 150, in construct_object
data = self.construct_non_recursive_object(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 191, in construct_non_recursive_object
for _dummy in generator:
^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 629, in construct_yaml_map
value = self.construct_mapping(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 425, in construct_mapping
return BaseConstructor.construct_mapping(self, node, deep=deep)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 247, in construct_mapping
value = self.construct_object(value_node, deep=deep)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 150, in construct_object
data = self.construct_non_recursive_object(node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\ruamel\yaml\constructor.py", line 186, in construct_non_recursive_object
data = constructor(self, tag_suffix, node)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\comfyuipython\.venv\Lib\site-packages\hyperpyyaml\core.py", line 470, in _construct_object
callable_ = pydoc.locate(callable_string)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\pydoc.py", line 1813, in locate
nextmodule = safeimport('.'.join(parts[:n+1]), forceload)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\admin\AppData\Roaming\uv\python\cpython-3.12.11-windows-x86_64-none\Lib\pydoc.py", line 489, in safeimport
raise ErrorDuringImport(path, err)
pydoc.ErrorDuringImport: problem in cosyvoice.hifigan.hifigan - ModuleNotFoundError: No module named 'matplotlib'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "D:\comfyui\resources\ComfyUI\execution.py", line 516, in execute
output_data, output_ui, has_subgraph, has_pending_tasks = await get_output_data(prompt_id, unique_id, obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\comfyui\resources\ComfyUI\execution.py", line 330, in get_output_data
return_values = await _async_map_node_over_list(prompt_id, unique_id, obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\comfyui\resources\ComfyUI\execution.py", line 304, in _async_map_node_over_list
await process_inputs(input_dict, i)
File "D:\comfyui\resources\ComfyUI\execution.py", line 292, in process_inputs
result = f(**inputs)
^^^^^^^^^^^
File "C:\comfyuipython\custom_nodes\comfyui_fl-cosyvoice3\nodes\model_loader.py", line 123, in load_model
raise RuntimeError(error_msg)
RuntimeError: Error loading model: problem in cosyvoice.hifigan.hifigan - ModuleNotFoundError: No module named 'matplotlib'

2025-12-24T22:20:20.962526 - Prompt executed in 176.10 seconds

```
## Attached Workflow
Please make sure that workflow does not contain any sensitive information such as API keys or passwords.
```
{"id":"60b8409f-7a6d-44ce-bece-0835dfd44c5c","revision":0,"last_node_id":4,"last_link_id":3,"nodes":[{"id":1,"type":"FL_CosyVoice3_ModelLoader","pos":[861.7947288429755,200.0394899999999],"size":[294.78125,248],"flags":{},"order":0,"mode":0,"inputs":[{"localized_name":"model_version","name":"model_version","type":"COMBO","widget":{"name":"model_version"},"link":null},{"localized_name":"download_source","name":"download_source","type":"COMBO","widget":{"name":"download_source"},"link":null},{"localized_name":"device","name":"device","type":"COMBO","widget":{"name":"device"},"link":null},{"localized_name":"force_redownload","name":"force_redownload","shape":7,"type":"BOOLEAN","widget":{"name":"force_redownload"},"link":null},{"localized_name":"force_reload","name":"force_reload","shape":7,"type":"BOOLEAN","widget":{"name":"force_reload"},"link":null}],"outputs":[{"localized_name":"model","name":"model","type":"COSYVOICE_MODEL","links":[1]}],"properties":{"Node name for S&R":"FL_CosyVoice3_ModelLoader"},"widgets_values":["Fun-CosyVoice3-0.5B","ModelScope","auto",true,true]},{"id":2,"type":"FL_CosyVoice3_ZeroShot","pos":[1356.7947288429755,225.0394899999999],"size":[400,246],"flags":{},"order":2,"mode":0,"inputs":[{"localized_name":"model","name":"model","type":"COSYVOICE_MODEL","link":1},{"localized_name":"reference_audio","name":"reference_audio","type":"AUDIO","link":2},{"localized_name":"text","name":"text","type":"STRING","widget":{"name":"text"},"link":null},{"localized_name":"speed","name":"speed","type":"FLOAT","widget":{"name":"speed"},"link":null},{"localized_name":"seed","name":"seed","shape":7,"type":"INT","widget":{"name":"seed"},"link":null}],"outputs":[{"localized_name":"audio","name":"audio","type":"AUDIO","links":[3]}],"properties":{"Node name for S&R":"FL_CosyVoice3_ZeroShot"},"widgets_values":["Hello, this is my cloned voice speaking.",1,1994128624,"randomize"]},{"id":3,"type":"LoadAudio","pos":[827.7946678078192,483.0394899999999],"size":[270,212],"flags":{},"order":1,"mode":0,"inputs":[{"localized_name":"音频","name":"audio","type":"COMBO","widget":{"name":"audio"},"link":null},{"localized_name":"音频UI","name":"audioUI","type":"AUDIO_UI","widget":{"name":"audioUI"},"link":null},{"localized_name":"选择文件上传","name":"upload","type":"AUDIOUPLOAD","widget":{"name":"upload"},"link":null}],"outputs":[{"localized_name":"音频","name":"AUDIO","type":"AUDIO","links":[2]}],"properties":{"Node name for S&R":"LoadAudio"},"widgets_values":["样本音频.m4a",null,""]},{"id":4,"type":"SaveAudioMP3","pos":[1995.7947288429755,248.0394899999999],"size":[270,174],"flags":{},"order":3,"mode":0,"inputs":[{"localized_name":"音频","name":"audio","type":"AUDIO","link":3},{"localized_name":"文件名前缀","name":"filename_prefix","type":"STRING","widget":{"name":"filename_prefix"},"link":null},{"localized_name":"质量","name":"quality","type":"COMBO","widget":{"name":"quality"},"link":null},{"localized_name":"audioUI","name":"audioUI","type":"AUDIO_UI","widget":{"name":"audioUI"},"link":null}],"outputs":[],"properties":{"Node name for S&R":"SaveAudioMP3"},"widgets_values":["audio/ComfyUI","V0"]}],"links":[[1,1,0,2,0,"COSYVOICE_MODEL"],[2,3,0,2,1,"AUDIO"],[3,2,0,4,0,"AUDIO"]],"groups":[],"config":{},"extra":{"ds":{"scale":1,"offset":[-674.7947288429755,73.96051000000011]}},"version":0.4}
```

## Additional Context
(Please add any additional context or steps to reproduce the error here)

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2025.12.24

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