Update pipeline_lumina.py

Author: hlky

src/diffusers/pipelines/lumina/pipeline_lumina.py

@@ -751,9 +751,12 @@ def __call__(
             prompt_embeds=prompt_embeds,
             negative_prompt_embeds=negative_prompt_embeds,
             prompt_attention_mask=prompt_attention_mask,
-            callback_on_step_end_tensor_inputs=callback_on_step_end_tensor_inputs,
             negative_prompt_attention_mask=negative_prompt_attention_mask,
+            callback_on_step_end_tensor_inputs=callback_on_step_end_tensor_inputs,
         )
+
+        self._guidance_scale = guidance_scale
+
         cross_attention_kwargs = {}
 
         # 2. Define call parameters
@@ -815,6 +818,8 @@ def __call__(
             latents,
         )
 
+        self._num_timesteps = len(timesteps)
+
         # 6. Denoising loop
         with self.progress_bar(total=num_inference_steps) as progress_bar:
             for i, t in enumerate(timesteps):