From 9566c18ced6de934a4fa961d5d44bb0c21217e4c Mon Sep 17 00:00:00 2001 From: ozbayb <17261091+ozbayb@users.noreply.github.com> Date: Sun, 5 Apr 2026 14:30:54 -0600 Subject: [PATCH] LTX2 context windows - Fix crash when a window doesn't have a guide index --- comfy/context_windows.py | 1 + comfy/ldm/lightricks/model.py | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/comfy/context_windows.py b/comfy/context_windows.py index b528f6327..10987e73e 100644 --- a/comfy/context_windows.py +++ b/comfy/context_windows.py @@ -465,6 +465,7 @@ class IndexListContextHandler(ContextHandlerABC): window.guide_kf_local_positions = kf_local_pos else: sliced_guide = None + window.guide_suffix_indices = [] window.guide_overlap_info = [] window.guide_kf_local_positions = [] else: diff --git a/comfy/ldm/lightricks/model.py b/comfy/ldm/lightricks/model.py index c55e19ced..74395beae 100644 --- a/comfy/ldm/lightricks/model.py +++ b/comfy/ldm/lightricks/model.py @@ -1315,7 +1315,7 @@ class LTXVModel(LTXBaseModel): x = x * (1 + scale) + shift x = self.proj_out(x) - if keyframe_idxs is not None: + if keyframe_idxs is not None and keyframe_idxs.shape[2] > 0: grid_mask = kwargs["grid_mask"] orig_patchified_shape = kwargs["orig_patchified_shape"] full_x = torch.zeros(orig_patchified_shape, dtype=x.dtype, device=x.device)