Update app.py

app.py

@@ -247,13 +247,13 @@ class ChatDocumentQA:
                 chat_history.append((message, response))
                 return "", chat_history
             else:
-              vectorstore = state["knowledge_base"]
-              chat = self._create_conversation_chain(vectorstore)
-              # user_ques = {"question": message}
-              print("chat_history",chat_history)
-              response = chat({"question": message,"chat_history": chat_history})
-              chat_history.append((message, response["answer"]))
-              return "", chat_history
+                vectorstore = state["knowledge_base"]
+                chat = self._create_conversation_chain(vectorstore)
+                # user_ques = {"question": message}
+                print("chat_history",chat_history)
+                response = chat({"question": message,"chat_history": chat_history})
+                chat_history.append((message, response["answer"]))
+                return "", chat_history
         except:
             chat_history.append((message, "Please Upload Document or URL"))
             return "", chat_history