Wan 2.1: TypeError: cannot unpack non-iterable NoneType object

App: Wan 2.1 (For-Gemini.git)
Repo: https://github.com/remphanstar/For-Gemini.git
Generated: 2026-07-15T17:42:13.570Z
Pinokio: 8.0.30
Platform: win32 x64
Node: v22.21.1

Summary

System

{
  "pinokio": {
    "version": "8.0.30",
    "node": "v22.21.1",
    "platform": "win32",
    "arch": "x64"
  },
  "hardware": {
    "gpu": "nvidia",
    "gpu_model": "nvidia geforce rtx 3050 ti laptop gpu",
    "ram_gb": 16,
    "vram_gb": 4
  },
  "os": {
    "platform": "Windows",
    "distro": "Microsoft Windows 11 Home Single Language",
    "release": "10.0.26200",
    "codename": "25H2",
    "kernel": "10.0.26200",
    "arch": "x64",
    "build": "26200",
    "servicepack": "0.0",
    "uefi": true
  },
  "system": {
    "manufacturer": "Acer",
    "model": "Nitro AN517-54",
    "version": "V1.17",
    "virtual": false
  },
  "cpu": {
    "manufacturer": "Intel",
    "brand": "Gen Intel® Core™ i7-11800H",
    "vendor": "GenuineIntel",
    "family": "6",
    "model": "141",
    "stepping": "1",
    "speed": 2.3,
    "speedMin": 2.3,
    "speedMax": 2.3,
    "cores": 16,
    "physicalCores": 8,
    "processors": 1,
    "performanceCores": 16,
    "efficiencyCores": 0,
    "virtualization": true,
    "cache": {
      "l1d": 393216,
      "l1i": 262144,
      "l2": 10485760,
      "l3": 25165824
    }
  },
  "memory": {
    "total": 16948453376,
    "free": 4938039296,
    "used": 12010414080,
    "active": 12010414080,
    "available": 4938039296,
    "buffers": 0,
    "cached": 0,
    "slab": 0,
    "buffcache": 0,
    "swaptotal": 6979321856,
    "swapused": 309329920,
    "swapfree": 6669991936
  },
  "gpus": [
    {
      "model": "nvidia geforce rtx 3050 ti laptop gpu"
    },
    {
      "model": "intel(r) uhd graphics"
    }
  ],
  "graphics": {
    "controllers": [
      {
        "vendor": "NVIDIA",
        "model": "NVIDIA GeForce RTX 3050 Ti Laptop GPU",
        "bus": "PCI",
        "vram": 4096,
        "vramDynamic": false,
        "driverVersion": "610.47"
      },
      {
        "vendor": "Intel Corporation",
        "model": "Intel(R) UHD Graphics",
        "bus": "PCI",
        "vram": 1024,
        "vramDynamic": true
      }
    ],
    "displays": [
      {
        "model": "Monitor predeterminado",
        "main": true,
        "builtin": true,
        "connection": "INTERNAL",
        "currentResX": 1920,
        "currentResY": 1080,
        "resolutionX": 1920,
        "resolutionY": 1080,
        "pixelDepth": 32,
        "currentRefreshRate": 144
      }
    ]
  }
}

Logs

logs/api/start.js/1784137194409

Source: api / start.js
Lines: 64 total, last 64 included

[api shell.run]
Microsoft Windows [Versión 10.0.26200.8655]
(c) Microsoft Corporation. Todos los derechos reservados.

C:\pinokio\api\For-Gemini.git\app>conda_hook & conda deactivate & conda deactivate & conda deactivate & conda activate base & C:\pinokio\api\For-Gemini.git\app\env\Scripts\activate C:\pinokio\api\For-Gemini.git\app\env && python wgp.py --multiple-images 
WARNING: Failed to find MSVC.
WARNING: Failed to find MSVC.
Traceback (most recent call last):
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\transformers\utils\import_utils.py", line 1967, in _get_module
    return importlib.import_module("." + module_name, self.__name__)
  File "C:\pinokio\bin\miniforge\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 883, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\transformers\modeling_utils.py", line 63, in <module>
    from .integrations.flex_attention import flex_attention_forward
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\transformers\integrations\flex_attention.py", line 39, in <module>
    from torch.nn.attention.flex_attention import BlockMask, flex_attention
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\torch\nn\attention\flex_attention.py", line 16, in <module>
    from torch._dynamo._trace_wrapped_higher_order_op import TransformGetItemToIndex
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\torch\_dynamo\__init__.py", line 3, in <module>
    from . import convert_frame, eval_frame, resume_execution
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\torch\_dynamo\convert_frame.py", line 33, in <module>
    from torch._dynamo.symbolic_convert import TensorifyState
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\torch\_dynamo\symbolic_convert.py", line 27, in <module>
    from torch._dynamo.exc import TensorifyScalarRestartAnalysis
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\torch\_dynamo\exc.py", line 11, in <module>
    from .utils import counters
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\torch\_dynamo\utils.py", line 1752, in <module>
    if has_triton_package():
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\torch\utils\_triton.py", line 9, in has_triton_package
    from triton.compiler.compiler import triton_key
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\triton\__init__.py", line 8, in <module>
    msvc_winsdk_inc_dirs, _ = find_msvc_winsdk()
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\triton\windows_utils.py", line 231, in find_msvc_winsdk
    winsdk_inc_dirs, winsdk_lib_dirs = find_winsdk()
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\triton\windows_utils.py", line 208, in find_winsdk
    winsdk_base_path, version = find_winsdk_registry()
TypeError: cannot unpack non-iterable NoneType object

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

Traceback (most recent call last):
  File "C:\pinokio\api\For-Gemini.git\app\wgp.py", line 6, in <module>
    from mmgp import offload, safetensors2, profile_type 
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\mmgp\offload.py", line 71, in <module>
    from optimum.quanto import freeze,  qfloat8, qint4 , qint8, quantize, QModuleMixin, QLinear, QTensor,  quantize_module, register_qmodule
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\optimum\quanto\__init__.py", line 19, in <module>
    from .models import *
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\optimum\quanto\models\__init__.py", line 30, in <module>
    from .transformers_models import *
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\optimum\quanto\models\transformers_models.py", line 33, in <module>
    from transformers import AutoConfig, AutoModelForCausalLM, PreTrainedModel
  File "<frozen importlib._bootstrap>", line 1075, in _handle_fromlist
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\transformers\utils\import_utils.py", line 1955, in __getattr__
    module = self._get_module(self._class_to_module[name])
  File "C:\pinokio\api\For-Gemini.git\app\env\lib\site-packages\transformers\utils\import_utils.py", line 1969, in _get_module
    raise RuntimeError(
RuntimeError: Failed to import transformers.modeling_utils because of the following error (look up to see its traceback):
cannot unpack non-iterable NoneType object