Apply suggestions from code review

Co-authored-by: Benjamin Bossan <[email protected]>

Author: sayakpaul

src/diffusers/loaders/lora_base.py

@@ -353,13 +353,13 @@ def _optionally_disable_offloading(cls, _pipeline):
     def _fetch_state_dict(cls, *args, **kwargs):
         deprecation_message = f"Using the `_fetch_state_dict()` method from {cls} has been deprecated and will be removed in a future version. Please use `from diffusers.loaders.lora_base import _fetch_state_dict`."
         deprecate("_fetch_state_dict", "0.35.0", deprecation_message)
-        _fetch_state_dict(*args, **kwargs)
+        return _fetch_state_dict(*args, **kwargs)
 
     @classmethod
     def _best_guess_weight_name(cls, *args, **kwargs):
         deprecation_message = f"Using the `_best_guess_weight_name()` method from {cls} has been deprecated and will be removed in a future version. Please use `from diffusers.loaders.lora_base import _best_guess_weight_name`."
         deprecate("_best_guess_weight_name", "0.35.0", deprecation_message)
-        _best_guess_weight_name(*args, **kwargs)
+        return _best_guess_weight_name(*args, **kwargs)
 
     def unload_lora_weights(self):
         """