Update app.py

app.py

@@ -63,7 +63,11 @@ def ask(question, openai_api_key, gemini_api_key, anthropic_api_key, file_name =
     if not anthropic_api_key:
         gr.Warning("Anthropic API Key is required.")
         return "", ""
-        
+
+    if not validate_input(question, openai_api_key, gemini_api_key, anthropic_api_key, file_name):
+        gr.Warning("Invalid input.")
+        return "", ""
+    
     if file_name:
         file_name = f"files/{file_name}"