Update app.py

app.py

@@ -96,7 +96,7 @@ model_name="facebook/blenderbot-400M-distill"
 model=AutoModelForCausalseq2seqLM.from_pretrained(model_name)
 tokenizer = AutoTokenizer.from_pretrained(model_name)
 ch=[]
-chat():
+def chat():
     
     h_s="\n".join(ch)
     i=st.input("enter")