diff --git a/app.py b/app.py
index 317da4c..fe25e9d 100644
--- a/app.py
+++ b/app.py
@@ -95,8 +95,6 @@ class Pipeline:
             images.append(image)
         return images
 
-import os
-
 if __name__ == "__main__":
     parser = argparse.ArgumentParser()
     parser.add_argument("--config", type=str, default="configs/repa_improved_ddt_xlen22de6_512.yaml")
@@ -131,6 +129,7 @@ if __name__ == "__main__":
     denoiser = denoiser.cuda()
     vae = vae.cuda()
     denoiser.eval()
+
     # read imagenet classlabels
     with open("imagenet_classlabels.txt", "r") as f:
         classlabels = f.readlines()
@@ -147,12 +146,14 @@ if __name__ == "__main__":
             with gr.Column(scale=1):
                 num_steps = gr.Slider(minimum=1, maximum=100, step=1, label="num steps", value=50)
                 guidance = gr.Slider(minimum=0.1, maximum=10.0, step=0.1, label="CFG", value=4.0)
-                num_images = gr.Slider(minimum=1, maximum=10, step=1, label="num images", value=8)
+                num_images = gr.Slider(minimum=1, maximum=10, step=1, label="num images", value=4)
                 label = gr.Dropdown(choices=classlabels, value=id2classlabels[948], label="label")
                 seed = gr.Slider(minimum=0, maximum=1000000, step=1, label="seed", value=0)
                 state_refresh_rate = gr.Slider(minimum=1, maximum=10, step=1, label="encoder reuse", value=1)
-                guidance_interval_min = gr.Slider(minimum=0.0, maximum=1.0, step=0.1, label="interval guidance min", value=0.0)
-                guidance_interval_max = gr.Slider(minimum=0.1, maximum=1.0, step=0.1, label="interval guidance max", value=1.0)
+                guidance_interval_min = gr.Slider(minimum=0.0, maximum=1.0, step=0.1, label="interval guidance min",
+                                                  value=0.0)
+                guidance_interval_max = gr.Slider(minimum=0.1, maximum=1.0, step=0.1, label="interval guidance max",
+                                                  value=1.0)
                 timeshift = gr.Slider(minimum=0.1, maximum=2.0, step=0.1, label="timeshift", value=1.0)
             with gr.Column(scale=2):
                 btn = gr.Button("Generate")