Update app.py

app.py

@@ -285,8 +285,8 @@ demo = gr.ChatInterface(
 )
 
 if __name__ == "__main__":
-    css = """
+    stylings = """
     .settings { display: none !important; }
     """
-    css = css.strip()
-    demo.launch(css=css)
+    stylings = stylings.strip()
+    demo.launch(css=stylings)