app.py

import numpy as np # linear algebra
import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)
import pprint
import os
import ast
import gradio as gr
from gradio.themes.base import Base
import weaviate
from weaviate.embedded import EmbeddedOptions
from langchain.vectorstores import Weaviate
from langchain.prompts import ChatPromptTemplate
from langchain.text_splitter import RecursiveCharacterTextSplitter
from langchain_community.embeddings import HuggingFaceEmbeddings
from langchain.schema import Document
from langchain.chat_models import ChatOpenAI
from kaggle_secrets import UserSecretsClient
from langchain.schema.runnable import RunnablePassthrough
from langchain.schema.output_parser import StrOutputParser
from langchain_core.messages import HumanMessage, SystemMessage