fix inference error

StableDiffuser.py

@@ -209,7 +209,7 @@ class StableDiffuser(torch.nn.Module):
 
         if combined_embeddings is None:
             assert prompts is not None, "missing prompts or combined_embeddings"
-            combined_embeddings = diffuser.get_cond_and_uncond_embeddings(prompts, negative_prompts, n_imgs=n_imgs)
+            combined_embeddings = self.get_cond_and_uncond_embeddings(prompts, negative_prompts, n_imgs=n_imgs)
 
         width = width or self.native_image_size
         height = height or self.native_image_size