Update app.py

app.py

@@ -52,14 +52,14 @@ def add_text(history, text):
     return history, ""
 
 def bot(history):
-    response = infer(history[-1][0])
+    response = infer(history[-1][0] , history)
     history[-1][1] = response['result']
     return history
 
-def infer(question):
+def infer(question , history):
     
     query = question
-    result = qa({"query": query})
+    result = qa({'question': query , 'chat_history': history})
 
     return result