Update app.py

app.py

@@ -192,6 +192,12 @@ class LTX23NegativePromptTwoStagePipeline:
         v_context_p, a_context_p = ctx_p.video_encoding, ctx_p.audio_encoding
         v_context_n, a_context_n = ctx_n.video_encoding, ctx_n.audio_encoding
 
+        if video_guider_params is None:
+            video_guider_params = LTX_2_3_HQ_PARAMS.video_guider_params
+        
+        if audio_guider_params is None:
+            audio_guider_params = LTX_2_3_HQ_PARAMS.audio_guider_params
+        
         stage_1_output_shape = VideoPixelShape(
             batch=1, frames=num_frames, width=width // 2, height=height // 2, fps=frame_rate
         )