Ensure conditions are not trainable to avoid bugs (Comfy-Org#14368)

Author: KohakuBlueleaf

comfy_extras/nodes_train.py

@@ -15,6 +15,7 @@
 import comfy.sd
 import comfy.utils
 import comfy.model_management
+from comfy.conds import CONDRegular, CONDList
 from comfy.cli_args import args, PerformanceFeature
 import comfy_extras.nodes_custom_sampler
 import folder_paths
@@ -120,6 +121,11 @@ def process_cond_list(d, prefix=""):
                 process_cond_list(v, f"{prefix}.{k}")
             elif isinstance(v, torch.Tensor):
                 d[k] = v.clone()
+            elif isinstance(v, CONDList):
+                v.cond = [t.detach() if isinstance(t, torch.Tensor) else t for t in v.cond]
+            elif isinstance(v, CONDRegular):
+                if isinstance(v.cond, torch.Tensor):
+                    v.cond = v.cond.detach()
             elif isinstance(v, (list, tuple)):
                 for index, item in enumerate(v):
                     process_cond_list(item, f"{prefix}.{k}.{index}")