Update variables.py

variables.py

@@ -7,6 +7,8 @@ import pathlib
 from langchain.embeddings import HuggingFaceEmbeddings,HuggingFaceInstructEmbeddings
 from langchain.vectorstores import FAISS
 from langchain.chat_models.openai import ChatOpenAI
+from langchain.callbacks.base import CallbackManager
+from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler
 from langchain import VectorDBQA
 import pandas as pd
 
@@ -91,7 +93,7 @@ def create_vectorstore(texts,model):
 def embed_tweets(query,_prompt,_docsearch):
     '''Process file with latest tweets'''
 
-
+    streaming_llm = ChatOpenAI(streaming=True, callback_manager=CallbackManager([StreamingStdOutCallbackHandler()]), verbose=True, temperature=0)
     chain_type_kwargs = {"prompt": _prompt}
     chain = VectorDBQA.from_chain_type(
     ChatOpenAI(temperature=0),