change to class method

modeling_adaptor.py

@@ -89,12 +89,12 @@ class MixtureOfAdaptors(nn.Module):
             )
         return adaptor_cache
     
-    @staticmethod
-    def load(input_path):
+    @classmethod
+    def load(cls, input_path):
         with open(os.path.join(input_path, "config.json")) as fIn:
             config = json.load(fIn)
 
-        adaptor = MixtureOfAdaptors(**config)
+        adaptor = cls(**config)
         adaptor.load_state_dict(
             torch.load(
                 os.path.join(input_path, "adaptor.pth"), weights_only=True