Update app.py

app.py

@@ -25,9 +25,9 @@ def classify_text(text):
     return results
 
 # Create Gradio interface
-custom_theme = gr.themes.Soft().set(
-    primary_hue="green",
-    secondary_hue="emerald",
+custom_theme = gr.themes.Soft(
+    primary_hue=gr.themes.colors.green,
+    secondary_hue=gr.themes.colors.emerald,
 )
 
 demo = gr.Interface(