ComfyUI-HiDream-Sampler module for custom nodes: No package metadata was found for bitsandbytes

[caleco81]

After Installing via Manager using install from git i got the following import error :
Traceback (most recent call last):
File "C:\Users\PC\anaconda3\envs\AI2\Lib\importlib\metadata_init_.py", line 563, in from_name
return next(cls.discover(name=name))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
StopIteration

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "D:\AI\Imagegen\ComfyUI\nodes.py", line 2141, in load_custom_node
module_spec.loader.exec_module(module)
File "", line 940, in exec_module
File "", line 241, in call_with_frames_removed
File "D:\AI\Imagegen\ComfyUI\custom_nodes\ComfyUI-HiDream-Sampler_init.py", line 1, in
from .hidreamsampler import HiDreamSampler, HiDreamSamplerAdvanced, HiDreamImg2Img
File "D:\AI\Imagegen\ComfyUI\custom_nodes\ComfyUI-HiDream-Sampler\hidreamsampler.py", line 194, in
if bnb_available: bnb_llm_config = TransformersBitsAndBytesConfig(load_in_4bit=True); bnb_transformer_4bit_config = DiffusersBitsAndBytesConfig(load_in_4bit=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\PC\anaconda3\envs\AI2\Lib\site-packages\transformers\utils\quantization_config.py", line 438, in init
self.post_init()
File "C:\Users\PC\anaconda3\envs\AI2\Lib\site-packages\transformers\utils\quantization_config.py", line 496, in post_init
if self.load_in_4bit and not version.parse(importlib.metadata.version("bitsandbytes")) >= version.parse(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\PC\anaconda3\envs\AI2\Lib\importlib\metadata_init_.py", line 1009, in version
return distribution(distribution_name).version
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\PC\anaconda3\envs\AI2\Lib\importlib\metadata_init_.py", line 982, in distribution
return Distribution.from_name(distribution_name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\PC\anaconda3\envs\AI2\Lib\importlib\metadata_init_.py", line 565, in from_name
raise PackageNotFoundError(name)
importlib.metadata.PackageNotFoundError: No package metadata was found for bitsandbytes

Cannot import D:\AI\Imagegen\ComfyUI\custom_nodes\ComfyUI-HiDream-Sampler module for custom nodes: No package metadata was found for bitsandbytes

Issue was resolved by : pip install bitsandbytes
and restarted comfyui

this issue can be solved just wanted to add it if someone encounters this issue