Update app.py

app.py

@@ -32,6 +32,7 @@ MAX_FRAMES_MODEL = 121
 
 MIN_DURATION = round(MIN_FRAMES_MODEL/FIXED_FPS,1)
 MAX_DURATION = round(MAX_FRAMES_MODEL/FIXED_FPS,1)
+DEFAULT_DURATION = 5.1
 
 
 pipe = WanImageToVideoPipeline.from_pretrained(MODEL_ID,
@@ -142,7 +143,7 @@ def generate_video(
     prompt,
     steps = 4,
     negative_prompt=default_negative_prompt,
-    duration_seconds = MAX_DURATION,
+    duration_seconds = DEFAULT_DURATION,
     guidance_scale = 1,
     guidance_scale_2 = 1,    
     seed = 42,