Update app.py

app.py

@@ -782,7 +782,7 @@ class AdvancedAIModel:
 class GradioInterface:
     """Gradio-based web interface"""
     
-    def __init__(self, ai_model: AdvancedAIModel
+    def __init__(self, ai_model: AdvancedAIModel):
 class GradioInterface:
     """Gradio-based web interface"""