From 26fe1b3f35419fdc14932dfbda6bb39e4bdb9b34 Mon Sep 17 00:00:00 2001
From: Albert Villanova del Moral
 <8515462+albertvillanova@users.noreply.github.com>
Date: Wed, 15 Oct 2025 11:34:17 +0200
Subject: [PATCH 1/3] Pass original dict instead of copy to maybe_load_adapters

---
 src/transformers/integrations/peft.py | 2 +-
 src/transformers/modeling_utils.py    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/transformers/integrations/peft.py b/src/transformers/integrations/peft.py
index 3198cff77146..4b2274191bcb 100644
--- a/src/transformers/integrations/peft.py
+++ b/src/transformers/integrations/peft.py
@@ -625,7 +625,7 @@ def old_delete_adapter(model, adapter_name, prefix=None):
 def maybe_load_adapters(
     pretrained_model_name_or_path,
     download_kwargs: DownloadKwargs,
-    **adapter_kwargs,
+    adapter_kwargs: dict[str, Any],
 ):
     if pretrained_model_name_or_path is None or not is_peft_available():
         return None, pretrained_model_name_or_path
diff --git a/src/transformers/modeling_utils.py b/src/transformers/modeling_utils.py
index 80727de16c7d..dd1c56543c65 100644
--- a/src/transformers/modeling_utils.py
+++ b/src/transformers/modeling_utils.py
@@ -4383,7 +4383,7 @@ def from_pretrained(
         _adapter_model_path, pretrained_model_name_or_path = maybe_load_adapters(
             pretrained_model_name_or_path,
             download_kwargs_with_commit,
-            **adapter_kwargs,
+            adapter_kwargs,
         )
         device_map = check_and_set_device_map(device_map)  # warn, error and fix the device map
 

From c620187bbba9778af17ab7c099f307e656f01406 Mon Sep 17 00:00:00 2001
From: Albert Villanova del Moral
 <8515462+albertvillanova@users.noreply.github.com>
Date: Sun, 19 Oct 2025 07:43:11 +0200
Subject: [PATCH 2/3] Revert "Pass original dict instead of copy to
 maybe_load_adapters"

This reverts commit 26fe1b3f35419fdc14932dfbda6bb39e4bdb9b34.
---
 src/transformers/integrations/peft.py | 2 +-
 src/transformers/modeling_utils.py    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/transformers/integrations/peft.py b/src/transformers/integrations/peft.py
index 4b2274191bcb..3198cff77146 100644
--- a/src/transformers/integrations/peft.py
+++ b/src/transformers/integrations/peft.py
@@ -625,7 +625,7 @@ def old_delete_adapter(model, adapter_name, prefix=None):
 def maybe_load_adapters(
     pretrained_model_name_or_path,
     download_kwargs: DownloadKwargs,
-    adapter_kwargs: dict[str, Any],
+    **adapter_kwargs,
 ):
     if pretrained_model_name_or_path is None or not is_peft_available():
         return None, pretrained_model_name_or_path
diff --git a/src/transformers/modeling_utils.py b/src/transformers/modeling_utils.py
index 7a76c1a39338..ec3a93190cc7 100644
--- a/src/transformers/modeling_utils.py
+++ b/src/transformers/modeling_utils.py
@@ -4384,7 +4384,7 @@ def from_pretrained(
         _adapter_model_path, pretrained_model_name_or_path = maybe_load_adapters(
             pretrained_model_name_or_path,
             download_kwargs_with_commit,
-            adapter_kwargs,
+            **adapter_kwargs,
         )
         device_map = check_and_set_device_map(device_map)  # warn, error and fix the device map
 

From 601fb29aeaf1876f8a20bf0eac9354a34a9d0cc3 Mon Sep 17 00:00:00 2001
From: Albert Villanova del Moral
 <8515462+albertvillanova@users.noreply.github.com>
Date: Sun, 19 Oct 2025 07:47:13 +0200
Subject: [PATCH 3/3] Return cleaned version of adapter_kwargs

---
 src/transformers/integrations/peft.py | 4 ++--
 src/transformers/modeling_utils.py    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/transformers/integrations/peft.py b/src/transformers/integrations/peft.py
index 3198cff77146..d8cf4252060d 100644
--- a/src/transformers/integrations/peft.py
+++ b/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
diff --git a/src/transformers/modeling_utils.py b/src/transformers/modeling_utils.py
index ec3a93190cc7..a62856865cb0 100644
--- a/src/transformers/modeling_utils.py
+++ b/src/transformers/modeling_utils.py
@@ -4381,7 +4381,7 @@ 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,