Update app.py

app.py

@@ -157,13 +157,13 @@ def main():
     # Import and launch visualizer
     from diffviews.visualization.app import GradioVisualizer, create_gradio_app
 
-    print("\nInitializing visualizer...")
+    print("\nInitializing visualizer ...")
     visualizer = GradioVisualizer(
         data_dir=data_dir,
         device=device,
     )
 
-    print("Creating Gradio app...")
+    print("Creating Gradio app ...")
     app = create_gradio_app(visualizer)
 
     print("Launching...")