style fix

Author: sayakpaul

src/diffusers/loaders/lora_pipeline.py

@@ -2756,6 +2756,7 @@ def load_lora_into_transformer(
         network_alphas,
         transformer,
         adapter_name=None,
+        metadata=None,
         _pipeline=None,
         low_cpu_mem_usage=False,
         hotswap: bool = False,
@@ -2777,6 +2778,7 @@ def load_lora_into_transformer(
             adapter_name (`str`, *optional*):
                 Adapter name to be used for referencing the loaded adapter model. If not specified, it will use
                 `default_{i}` where i is the total number of adapters being loaded.
+            metadata: TODO
             low_cpu_mem_usage (`bool`, *optional*):
                 Speed up model loading by only loading the pretrained LoRA weights and not initializing the random
                 weights.