Fix controlnet bug.

1 year ago · 5c363a9d86
1 changed files with 1 additions and 1 deletions
--- a/comfy/controlnet.py
+++ b/comfy/controlnet.py
@ -143,7 +143,7 @@ class ControlNet(ControlBase):
                if control_prev is not None:
                    return control_prev
                else:
-                    return {}
+                    return None

        output_dtype = x_noisy.dtype
        if self.cond_hint is None or x_noisy.shape[2] * 8 != self.cond_hint.shape[2] or x_noisy.shape[3] * 8 != self.cond_hint.shape[3]: