revert to use skip_keys

Author: DN6

src/diffusers/hooks/group_offloading.py

@@ -535,7 +535,7 @@ def apply_group_offloading(
         exclude_kwargs (`List[str]`, *optional*):
             List of kwarg keys that should not be processed by send_to_device. This is useful for mutable state like
             caching lists that need to maintain their object identity across forward passes. If not provided, will be
-            inferred from the module's `_group_offload_exclude_kwargs` attribute if it exists.
+            inferred from the module's `_skip_keys` attribute if it exists.
 
     Example:
         ```python
@@ -581,7 +581,7 @@ def apply_group_offloading(
         block_modules = getattr(module, "_group_offload_block_modules", None)
 
     if exclude_kwargs is None:
-        exclude_kwargs = getattr(module, "_group_offload_exclude_kwargs", None)
+        exclude_kwargs = getattr(module, "_skip_keys", None)
 
     config = GroupOffloadingConfig(
         onload_device=onload_device,

src/diffusers/models/autoencoders/autoencoder_kl_wan.py

@@ -963,11 +963,9 @@ class AutoencoderKLWan(ModelMixin, AutoencoderMixin, ConfigMixin, FromOriginalMo
 
     _supports_gradient_checkpointing = False
     _group_offload_block_modules = ["quant_conv", "post_quant_conv", "encoder", "decoder"]
-
-    # kwargs to ignore when send_to_device moves inputs/outputs between devices
-    # these are shared mutable states that are modified in-place and
-    # should not be subjected to copy operations
-    _group_offload_exclude_kwargs = ["feat_cache", "feat_idx"]
+    # keys toignore when AlignDeviceHook moves inputs/outputs between devices
+    # these are shared mutable state modified in-place
+    _skip_keys = ["feat_cache", "feat_idx"]
 
     @register_to_config
     def __init__(