update

Author: a-r-r-o-w

src/diffusers/models/attention_processor.py

@@ -3950,7 +3950,7 @@ def apply_rotary_emb(x, freqs_cos, freqs_sin):
         # dropout
         hidden_states = attn.to_out[1](hidden_states)
 
-        if attn.context_pre_only is not None and not attn.context_pre_only:
+        if getattr(attn, "to_add_out", None) is not None:
             encoder_hidden_states = attn.to_add_out(encoder_hidden_states)
 
         return hidden_states, encoder_hidden_states