runtime error

Exit code: 1. Reason: [SPARSE] Backend: spconv, Attention: flash_attn Traceback (most recent call last): File "/home/user/app/app.py", line 14, in <module> from trellis.utils import render_utils File "/home/user/app/trellis/utils/render_utils.py", line 7, in <module> from ..renderers import OctreeRenderer, GaussianRenderer, MeshRenderer File "/home/user/app/trellis/renderers/__init__.py", line 17, in __getattr__ module = importlib.import_module(f".{module_name}", __name__) File "/usr/local/lib/python3.10/importlib/__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "/home/user/app/trellis/renderers/mesh_renderer.py", line 9, in <module> import nvdiffrast.torch as dr ModuleNotFoundError: No module named 'nvdiffrast'

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