Update app.py

app.py

@@ -2,7 +2,7 @@
 import gradio as gr
 
 def hephaestus_response(user_input):
-    return f`Hephaestus AI response to: We can give you idea about "{user_input}"`
+    return f"Hephaestus AI response to: We can give you idea about {user_input}"
 
 iface = gr.Interface(
     fn=hephaestus_response,