fix: durations

app.py

@@ -83,8 +83,8 @@ def get_duration(
     src_prompt_val: str, tar_prompt_val: str,
     src_guidance_scale_val: float, tar_guidance_scale_val: float,
 ) -> float:
-    step_duration = 0.5 if model_type_val == 'FLUX' else 0.15
-    return (n_max_val * (flowopt_iterations_val + 2) * step_duration) + 30
+    step_duration = 0.6 if model_type_val == 'FLUX' else 0.2
+    return (n_max_val * (flowopt_iterations_val + 2) * step_duration) + 45
 
 @spaces.GPU(duration=get_duration)
 def FlowOpt_run(