Update app.py

Guidance scale 4 better than 5

app.py

@@ -187,7 +187,7 @@ with gr.Blocks(title="Sulphur — Image to Video") as demo:
             with gr.Accordion("Advanced", open=False):
                 resolution_dd = gr.Dropdown(RESOLUTIONS, value="832x480", label="Resolution")
                 steps_sl      = gr.Slider(1, 50, value=8,   step=1,   label="Steps")
-                guidance_sl   = gr.Slider(1.0, 10.0, value=5.0, step=0.5, label="Guidance Scale")
+                guidance_sl   = gr.Slider(1.0, 10.0, value=4.0, step=0.5, label="Guidance Scale")
                 frames_sl     = gr.Slider(17, 257, value=81, step=8,  label="Frames")
                 seed_num      = gr.Number(value=-1, label="Seed (-1 = random)", precision=0)
             run_btn = gr.Button("Generate", variant="primary")