Update app.py

app.py

@@ -1,6 +1,6 @@
 from langchain.chains import ConversationalRetrievalChain
 from langchain.chains.question_answering import load_qa_chain
-from lanchain.chains import RetrievalQA
+from langchain.chains import RetrievalQA
 from langchain.memory import ConversationBufferMemory
 from langchain.memory import ConversationTokenBufferMemory
 from langchain.llms import HuggingFacePipeline
@@ -322,7 +322,8 @@ def retrieve_bot_answer(query, loaded_documents):
     #     return bot_response
     # else:
     #     raise KeyError("Expected 'answer' key in bot_response, but it was not found.")
-    result = bot_response['answer']
+    # result = bot_response['answer']
+    result = bot_response['result']
     sources = []
     for source in bot_response["source_documents"]:
         sources.append(source.metadata['source'])