Update Chat_with_pdf_LLM.py

Chat_with_pdf_LLM.py

@@ -4,8 +4,6 @@ from langchain.text_splitter import CharacterTextSplitter
 from langchain.embeddings.huggingface import HuggingFaceEmbeddings
 from langchain.vectorstores import FAISS
 from langchain.chains.question_answering import load_qa_chain
-from langchain.llms import OpenAI
-from langchain.callbacks import get_openai_callback
 import os
 from streamlit_chat import message
 from langchain import HuggingFaceHub
@@ -30,6 +28,7 @@ def LLM_pdf(model_name = 'google/flan-t5-large'):
         chunk_overlap=200,
         length_function=len
       )
+      print(text_splitter)
       chunks = text_splitter.split_text(text)
       
       # create embeddings