Update utils.py

utils.py

@@ -14,13 +14,14 @@ from langchain.prompts.chat import (
 )
 from langchain.text_splitter import CharacterTextSplitter
 from langchain.vectorstores.faiss import FAISS
+from langchain.cache import InMemoryCache
 
+langchain.llm_cache = InMemoryCache()
 
 pickle_file = "open_ai.pkl"
 index_file = "open_ai.index"
 
 
-
 gpt_3_5 = ChatOpenAI(model_name='gpt-4',temperature=0.1)
 
 embeddings = OpenAIEmbeddings(model='text-embedding-ada-002')