fix gpu issue

normalization.py

@@ -14,7 +14,7 @@ class Normalizer:
                                            "body_joints_local_wo_z_rot"], 
                  dim_per_feat: List[int] = [3, 6, 6, 126, 66], *args, **kwargs):
 
-        self.stats = self.load_norm_statistics(statistics_path, 'cuda')
+        self.stats = self.load_norm_statistics(statistics_path, 'cpu')
         # from src.model.utils.tools import pack_to_render
         # mr = pack_to_render(aa.detach().cpu(), trans=None)
         # mr = {k: v[0] for k, v in mr.items()}