Merge pull request #2981 from grav/grav/default_model_name_to_none

Default model_name to None in _aembedding

litellm/router.py

@@ -1103,6 +1103,7 @@ class Router:
             raise e
 
     async def _aembedding(self, input: Union[str, List], model: str, **kwargs):
+        model_name = None
         try:
             verbose_router_logger.debug(
                 f"Inside _aembedding()- model: {model}; kwargs: {kwargs}"