Updated app.py

app.py

@@ -104,7 +104,7 @@ def get_vectorstore(text_chunks):
 
 def get_conversation_chain(vetorestore,openai_api_key):
     llm = ChatOpenAI(openai_api_key=openai_api_key, model_name = 'gpt-3.5-turbo',temperature=0)
-    memory = ConversationBufferMemory(memory_key='chat_history', return_messages=True)
+    memory = ConversationBufferMemory(memory_key='chat_history', return_messages=True, skip_on_failure=True)
     conversation_chain = ConversationalRetrievalChain.from_llm(
         llm=llm,
         retriever=vetorestore.as_retriever(),