No module named 'basicsr'

When executing ```python -m projects.inference_seedvr2_3b```
Raise excpetion
```
Traceback (most recent call last):
File "xxx/.conda/envs/seedvr/lib/python3.10/runpy.py", line 196, in _run_module_as_main
return _run_code(code, main_globals, None,
File "xxx/seedvr/lib/python3.10/runpy.py", line 86, in _run_code
exec(code, run_globals)
File "xxx/SeedVR/projects/inference_seedvr2_3b.py", line 53, in
from projects.video_diffusion_sr.infer import VideoDiffusionInfer
File "xxx/SeedVR/projects/video_diffusion_sr/infer.py", line 40, in
from projects.video_diffusion_sr.degradation_utils import my_esr_blur
File "xxx/SeedVR/projects/video_diffusion_sr/degradation_utils.py", line 19, in
from basicsr.data.degradations import (
ModuleNotFoundError: No module named 'basicsr'
```
And all `basicsr` version will cause dependency conflicts with requirements for this repo.
Would you please offer some advice? Sincere gratitude to you.