From 6ea2651e7df66d7585f6ffee804b20e92fb38b8a Mon Sep 17 00:00:00 2001
From: City <125218114+city96@users.noreply.github.com>
Date: Mon, 12 Jan 2026 13:55:28 +0100
Subject: [PATCH] Only include metadata on new comfy versions

For #407 since old comfy versions don't support passing metadata (added in #399 )
---
 nodes.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/nodes.py b/nodes.py
index 50d3a60..4683514 100644
--- a/nodes.py
+++ b/nodes.py
@@ -1,6 +1,7 @@
 # (c) City96 || Apache-2.0 (apache.org/licenses/LICENSE-2.0)
 import torch
 import logging
+import inspect
 import collections
 
 import nodes
@@ -166,8 +167,14 @@ class UnetLoaderGGUF:
         # init model
         unet_path = folder_paths.get_full_path("unet", unet_name)
         sd, extra = gguf_sd_loader(unet_path)
+
+        kwargs = {}
+        valid_params = inspect.signature(comfy.sd.load_diffusion_model_state_dict).parameters
+        if "metadata" in valid_params:
+            kwargs["metadata"] = extra.get("metadata", {})
+
         model = comfy.sd.load_diffusion_model_state_dict(
-            sd, model_options={"custom_operations": ops}, metadata=extra.get("metadata", {})
+            sd, model_options={"custom_operations": ops}, **kwargs,
         )
         if model is None:
             logging.error("ERROR UNSUPPORTED UNET {}".format(unet_path))