Update app.py

app.py

@@ -667,7 +667,7 @@ def generate_video(
             pose_strength, general_strength, motion_strength, dreamlay_strength,
             mself_strength, dramatic_strength, fluid_strength, liquid_strength,
             demopose_strength, voice_strength, realism_strength, transition_strength,
-            physics_strength, reasoning_strength,
+            physics_strength, reasoning_strength, twostep_strength,
         )
         
         video, audio = pipeline(