Update app.py

Copy and paste error

app.py

@@ -471,4 +471,4 @@ def codegen(intent):
     response = codegen_tkn.decode(gen_ids[0], skip_special_tokens=True)
     return response
 
-output=grad.Textbox(lines=1, label="Generated Python Code", placeholder="")
+output=grad.Textbox(lines=1, label="Generated Python Code", placeholder="")