Modules don't work after ComfyUI update on Windows

[nixudos]

Hi,
I updated ComfyUI to try out Cosmos, but after the update, I had issues with all HunyuanVido modules.
I ended up doing a fresh reinstall, but when running, it complained about sage attention, so I tried to install Triton. Turns out comfy has switched to 3.12 python, so I needed a new triton version.
After installing the new triton version The modules can no longer be found again.

What are my options?

Here is my error log:

[START] Security scan
[DONE] Security scan

ComfyUI-Manager: installing dependencies done.

** ComfyUI startup time: 2025-01-23 22:27:47.947
** Platform: Windows
** Python version: 3.12.8 (tags/v3.12.8:2dc476b, Dec 3 2024, 19:30:04) [MSC v.1942 64 bit (AMD64)]
** Python executable: V:\Diffusion\ComfyUI_windows_portable\python_embeded\python.exe
** ComfyUI Path: V:\Diffusion\ComfyUI_windows_portable\ComfyUI
** User directory: V:\Diffusion\ComfyUI_windows_portable\ComfyUI\user
** ComfyUI-Manager config path: V:\Diffusion\ComfyUI_windows_portable\ComfyUI\user\default\ComfyUI-Manager\config.ini
** Log path: V:\Diffusion\ComfyUI_windows_portable\ComfyUI\user\comfyui.log

Prestartup times for custom nodes:
2.1 seconds: V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-manager

Checkpoint files will always be loaded safely.
Total VRAM 24563 MB, total RAM 98010 MB
pytorch version: 2.5.1+cu124
Set vram state to: NORMAL_VRAM
Device: cuda:0 NVIDIA GeForce RTX 4090 : cudaMallocAsync
Using pytorch attention
[Prompt Server] web root: V:\Diffusion\ComfyUI_windows_portable\ComfyUI\web
Traceback (most recent call last):
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\utils\import_utils.py", line 920, in get_module
return importlib.import_module("." + module_name, self.name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "importlib_init.py", line 90, in import_module
File "", line 1387, in gcd_import
File "", line 1360, in find_and_load
File "", line 1310, in find_and_load_unlocked
File "", line 488, in call_with_frames_removed
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 "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\models\autoencoders_init.py", line 1, in
from .autoencoder_asym_kl import AsymmetricAutoencoderKL
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\models\autoencoders\autoencoder_asym_kl.py", line 22, in
from ..modeling_utils import ModelMixin
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\models\modeling_utils.py", line 35, in
from ..quantizers import DiffusersAutoQuantizer, DiffusersQuantizer
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\quantizers_init.py", line 15, in
from .auto import DiffusersAutoQuantizer
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\quantizers\auto.py", line 22, in
from .bitsandbytes import BnB4BitDiffusersQuantizer, BnB8BitDiffusersQuantizer
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\quantizers\bitsandbytes_init.py", line 2, in
from .utils import dequantize_and_replace, dequantize_bnb_weight, replace_with_bnb_linear
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\quantizers\bitsandbytes\utils.py", line 32, in
import bitsandbytes as bnb
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\bitsandbytes_init.py", line 15, in
from .nn import modules
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\bitsandbytes\nn_init.py", line 21, in
from .triton_based_modules import (
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\bitsandbytes\nn\triton_based_modules.py", line 6, in
from bitsandbytes.triton.dequantize_rowwise import dequantize_rowwise
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\bitsandbytes\triton\dequantize_rowwise.py", line 12, in
import triton
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton_init.py", line 20, in from .runtime import (
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\runtime_init.py", line 1, in
from .autotuner import (Autotuner, Config, Heuristics, autotune, heuristics)
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\runtime\autotuner.py", line 9, in
from ..testing import do_bench, do_bench_cudagraph
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\testing.py", line 7, in
from . import language as tl
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\language_init.py", line 4, in
from . import math
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\language\math.py", line 1, in
from . import core
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\language\core.py", line 10, in
from ..runtime.jit import jit
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\runtime\jit.py", line 12, in
from ..runtime.driver import driver
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\runtime\driver.py", line 1, in
from ..backends import backends
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\backends_init.py", line 50, in
backends = discover_backends()
^^^^^^^^^^^^^^^^^^^^
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\backends_init.py", line 43, in _discover_backends
compiler = load_module(name, os.path.join(root, name, 'compiler.py'))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\backends_init.py", line 12, in _load_module
spec.loader.exec_module(module)
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\triton\backends\amd\compiler.py", line 2, in
from triton._C.libtriton import ir, passes, llvm, amd
ImportError: DLL load failed while importing libtriton: A dynamic link library (DLL) initialization routine failed.

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

Traceback (most recent call last):
File "V:\Diffusion\ComfyUI_windows_portable\ComfyUI\nodes.py", line 2106, in load_custom_node
module_spec.loader.exec_module(module)
File "", line 999, in exec_module
File "", line 488, in call_with_frames_removed
File "V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-HunyuanVideoWrapper_init.py", line 1, in
from .nodes import NODE_CLASS_MAPPINGS as NODES_CLASS, NODE_DISPLAY_NAME_MAPPINGS as NODES_DISPLAY
File "V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-HunyuanVideoWrapper\nodes.py", line 12, in
from .hyvideo.diffusion.schedulers import FlowMatchDiscreteScheduler
File "V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-HunyuanVideoWrapper\hyvideo\diffusion_init_.py", line 1, in
from .pipelines import HunyuanVideoPipeline
File "V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-HunyuanVideoWrapper\hyvideo\diffusion\pipelines_init_.py", line 1, in
from .pipeline_hunyuan_video import HunyuanVideoPipeline
File "V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-HunyuanVideoWrapper\hyvideo\diffusion\pipelines\pipeline_hunyuan_video.py", line 31, in
from diffusers.pipelines.pipeline_utils import DiffusionPipeline
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\pipelines\pipeline_utils.py", line 45, in
from ..models import AutoencoderKL
File "", line 1412, in _handle_fromlist
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\utils\import_utils.py", line 910, in getattr
module = self._get_module(self._class_to_module[name])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "V:\Diffusion\ComfyUI_windows_portable\python_embeded\Lib\site-packages\diffusers\utils\import_utils.py", line 922, in _get_module
raise RuntimeError(
RuntimeError: Failed to import diffusers.models.autoencoders.autoencoder_kl because of the following error (look up to see its traceback):
DLL load failed while importing libtriton: A dynamic link library (DLL) initialization routine failed.

Cannot import V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-HunyuanVideoWrapper module for custom nodes: Failed to import diffusers.models.autoencoders.autoencoder_kl because of the following error (look up to see its traceback):
DLL load failed while importing libtriton: A dynamic link library (DLL) initialization routine failed.

Loading: ComfyUI-Manager (V3.9.2)

ComfyUI Revision: 3055 [55add502] *DETACHED | Released on '2025-01-16'

[ComfyUI-Manager] default cache updated: https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main/alter-list.json[ComfyUI-Manager] default cache updated: https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main/model-list.json[ComfyUI-Manager] default cache updated: https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main/github-stats.json
[ComfyUI-Manager] default cache updated: https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main/extension-node-map.json
[ComfyUI-Manager] default cache updated: https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main/custom-node-list.json

Import times for custom nodes:
0.0 seconds: V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\websocket_image_save.py
0.2 seconds: V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-VideoHelperSuite
0.3 seconds: V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-manager
7.5 seconds (IMPORT FAILED): V:\Diffusion\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-HunyuanVideoWrapper

[nixudos]

Update: Got it fixed (more or less). I downloaded an older ComfyUI with 3.11 python and followed instructions here to the letter:
https://old.reddit.com/r/StableDiffusion/comments/1h7hunp/how_to_run_hunyuanvideo_on_a_single_24gb_vram_card/

I believe I had done all of it before, but I think a vital addition was to add the following to PATH variables:

C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Tools\MSVC\14.36.32532 (make sure version number match)

Since it was a DLL issue, I think triton had issues without it. Not sure why it worked without it earlier though..