Fix TypeError: find_adapter_config_file() got an unexpected keyword argument '_adapter_model_path' (#41604)

* Pass original dict instead of copy to maybe_load_adapters

* Revert "Pass original dict instead of copy to maybe_load_adapters"

This reverts commit 26fe1b3.

* Return cleaned version of adapter_kwargs

---------

Co-authored-by: Arthur <[email protected]>

Author: albertvillanova

src/transformers/integrations/peft.py

@@ -628,7 +628,7 @@ def maybe_load_adapters(
     **adapter_kwargs,
 ):
     if pretrained_model_name_or_path is None or not is_peft_available():
-        return None, pretrained_model_name_or_path
+        return None, pretrained_model_name_or_path, adapter_kwargs
 
     token = download_kwargs.get("token")
 
@@ -670,4 +670,4 @@ def maybe_load_adapters(
             _adapter_model_path = pretrained_model_name_or_path
             pretrained_model_name_or_path = json.load(f)["base_model_name_or_path"]
 
-    return _adapter_model_path, pretrained_model_name_or_path
+    return _adapter_model_path, pretrained_model_name_or_path, adapter_kwargs

src/transformers/modeling_utils.py

@@ -4353,7 +4353,7 @@ def from_pretrained(
         if adapter_kwargs is None:
             adapter_kwargs = {}
 
-        _adapter_model_path, pretrained_model_name_or_path = maybe_load_adapters(
+        _adapter_model_path, pretrained_model_name_or_path, adapter_kwargs = maybe_load_adapters(
             pretrained_model_name_or_path,
             download_kwargs_with_commit,
             **adapter_kwargs,