Update app.py

app.py

@@ -85,7 +85,17 @@ description = "This is a chatbot application based on the llama2 70B model. Simp
 examples = [["what is your contact number?"], ["where you are currently working?"]]
 
 
-def greet(query1, history):
-  return chain.run(input_documents=documents, question="answer as if person responding. do not ask question back. \n Question: "+query1)
+#def greet(query1, history):
+#  return chain.run(input_documents=documents, question="answer as if person responding. do not ask question back. \n Question: "+query1)
+
+list_greet = ["hi","hey","yo"]
+def greet(query1):
+  try:
+    if query1.lower() in list_greet:
+      return "Hello. How can I assist you today?"
+    else:
+      return chain.run(input_documents=documents, question="answer as if person responding. do not ask question back. \n question: "+query1.lower())
+  except:
+    return "API error"
 
 gr.ChatInterface(greet,title = "Chat with my Bot", description=description,examples=examples).launch(debug = True)