Wan2GP: RuntimeError: Failed to import diffusers.models.transformers.pixart_transformer_2d because of t…

App: Wan2GP (wan.git)
Repo: https://github.com/pinokiofactory/wan.git
Generated: 2026-08-13T10:36:29.300Z
Pinokio: 8.0.40
Platform: linux x64
Node: v22.21.1

Summary

System

{
  "pinokio": {
    "version": "8.0.40",
    "node": "v22.21.1",
    "platform": "linux",
    "arch": "x64"
  },
  "hardware": {
    "gpu": "amd",
    "gpu_model": "lucienne",
    "ram_gb": 7,
    "vram_gb": 0
  },
  "os": {
    "platform": "linux",
    "distro": "Pardus GNU/Linux",
    "release": "25",
    "codename": "yirmibes",
    "kernel": "6.12.101+deb13-amd64",
    "arch": "x64",
    "uefi": true
  },
  "system": {
    "manufacturer": "Acer",
    "model": "Swift SF314-43",
    "version": "V1.08",
    "virtual": false
  },
  "cpu": {
    "manufacturer": "AMD",
    "brand": "Ryzen 5 5500U with Radeon Graphics",
    "vendor": "AMD",
    "family": "23",
    "model": "104",
    "stepping": "1",
    "speed": 2.1,
    "speedMin": 0.4,
    "speedMax": 4.06,
    "cores": 12,
    "physicalCores": 6,
    "processors": 1,
    "performanceCores": 6,
    "efficiencyCores": 0,
    "virtualization": true,
    "cache": {
      "l1d": 196608,
      "l1i": 196608,
      "l2": 3145728,
      "l3": 8388608
    }
  },
  "memory": {
    "total": 7628632064,
    "free": 364011520,
    "used": 7264620544,
    "active": 2494353408,
    "available": 5134278656,
    "buffers": 101945344,
    "cached": 4998971392,
    "slab": 438013952,
    "buffcache": 5538930688,
    "swaptotal": 0,
    "swapused": 0,
    "swapfree": 0
  },
  "gpus": [
    {
      "model": "lucienne"
    }
  ],
  "graphics": {
    "controllers": [
      {
        "vendor": "Advanced Micro Devices, Inc. [AMD/ATI]",
        "model": "Lucienne",
        "bus": "Onboard",
        "vram": 256,
        "vramDynamic": false
      }
    ],
    "displays": [
      {
        "main": false,
        "builtin": true,
        "connection": "eDP",
        "currentResX": 1920,
        "currentResY": 1080,
        "resolutionX": 1920,
        "resolutionY": 1080,
        "pixelDepth": 24,
        "currentRefreshRate": 60
      }
    ]
  }
}

Logs

logs/api/start.js/1786616549320

Source: api / start.js
Lines: 60 total, last 60 included

[api shell.run]
<<PINOKIO_SHELL>>eval "$(conda shell.bash hook)" ; conda deactivate ; conda deactivate ; conda deactivate ; conda activate base ; source /home/eray/pinokio/api/wan.git/app/venv/bin/activate /home/eray/pinokio/api/wan.git/app/venv ; . bluefairy-activate && python wgp.py --multiple-images --advanced 
==> bluefairy active: uv/npm/bun protection enabled
W0813 13:35:47.891000 14252 venv/lib/python3.11/site-packages/torch/utils/cpp_extension.py:178] No CUDA runtime is found, using CUDA_HOME='/home/eray/pinokio/bin/miniforge'
Traceback (most recent call last):
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/diffusers/utils/import_utils.py", line 1016, in _get_module
    return importlib.import_module("." + module_name, self.__name__)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/eray/pinokio/cache/XDG_DATA_HOME/uv/python/cpython-3.11.15-linux-x86_64-gnu/lib/python3.11/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 1126, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  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 "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/diffusers/models/transformers/__init__.py", line 20, in <module>
    from .transformer_bria import BriaTransformer2DModel
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/diffusers/models/transformers/transformer_bria.py", line 14, in <module>
    from ..attention_dispatch import dispatch_attention_fn
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/diffusers/models/attention_dispatch.py", line 70, in <module>
    from flash_attn import flash_attn_func, flash_attn_varlen_func
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/flash_attn/__init__.py", line 3, in <module>
    from flash_attn.flash_attn_interface import (
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/flash_attn/flash_attn_interface.py", line 15, in <module>
    import flash_attn_2_cuda as flash_attn_gpu
ImportError: /home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/flash_attn_2_cuda.cpython-311-x86_64-linux-gnu.so: undefined symbol: _ZN3c104impl3cow23materialize_cow_storageERNS_11StorageImplE

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

Traceback (most recent call last):
  File "/home/eray/pinokio/api/wan.git/app/wgp.py", line 38, in <module>
    from mmgp import offload, safetensors2, profile_type , quant_router
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/mmgp/offload.py", line 75, in <module>
    from .quant_router import (
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/mmgp/quant_router.py", line 7, in <module>
    from optimum.quanto import QModuleMixin, register_qmodule
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/optimum/quanto/__init__.py", line 19, in <module>
    from .models import *
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/optimum/quanto/models/__init__.py", line 34, in <module>
    from .diffusers_models import *
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/optimum/quanto/models/diffusers_models.py", line 30, in <module>
    from diffusers import PixArtTransformer2DModel
  File "<frozen importlib._bootstrap>", line 1229, in _handle_fromlist
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/diffusers/utils/import_utils.py", line 1007, in __getattr__
    value = getattr(module, name)
            ^^^^^^^^^^^^^^^^^^^^^
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/diffusers/utils/import_utils.py", line 1006, in __getattr__
    module = self._get_module(self._class_to_module[name])
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/diffusers/utils/import_utils.py", line 1018, in _get_module
    raise RuntimeError(
RuntimeError: Failed to import diffusers.models.transformers.pixart_transformer_2d because of the following error (look up to see its traceback):
/home/eray/pinokio/api/wan.git/app/venv/lib/python3.11/site-packages/flash_attn_2_cuda.cpython-311-x86_64-linux-gnu.so: undefined symbol: _ZN3c104impl3cow23materialize_cow_storageERNS_11StorageImplE
(venv) (base) <<PINOKIO_SHELL>>