Update model_loader.py

model_loader.py

@@ -106,7 +106,7 @@ def load_all_models(self, progress_callback: Optional[callable] = None, cancel_e
             self.sam2_predictor = self._load_sam2_predictor(progress_callback)
             
             if self.sam2_predictor is None:
-                raise exceptions.ModelLoadingError("Failed to load SAM2 predictor")
+                raise exceptions.ModelLoadingError("SAM2", "Failed to load SAM2 predictor")
             
             sam2_time = time.time() - start_time
             self.loading_stats['sam2_load_time'] = sam2_time
@@ -122,7 +122,7 @@ def load_all_models(self, progress_callback: Optional[callable] = None, cancel_e
             self.matanyone_model, self.matanyone_core = self._load_matanyone_model(progress_callback)
             
             if self.matanyone_model is None:
-                raise exceptions.ModelLoadingError("Failed to load MatAnyone model")
+                raise exceptions.ModelLoadingError("MatAnyone", "Failed to load MatAnyone model")
             
             matanyone_time = time.time() - matanyone_start
             self.loading_stats['matanyone_load_time'] = matanyone_time