sdk new version

README.md

@@ -4,7 +4,7 @@ emoji: 💻
 colorFrom: green
 colorTo: green
 sdk: gradio
-sdk_version: 4.16.0
+sdk_version: 4.36.0
 app_file: app.py
 pinned: false
 license: mit

app.py

@@ -26,10 +26,8 @@ from langchain.chains import (
 from langchain.vectorstores import Chroma
 from langchain.memory import ConversationBufferMemory
 from langchain.chains import LLMChain
-from langchain.prompts.prompt import PromptTemplate
 from langchain.prompts.chat import ChatPromptTemplate, SystemMessagePromptTemplate
 from langchain.prompts import SystemMessagePromptTemplate, HumanMessagePromptTemplate, ChatPromptTemplate,  MessagesPlaceholder
-from langchain.document_loaders import PyPDFDirectoryLoader
 from langchain.output_parsers import PydanticOutputParser
 from langchain_community.llms import HuggingFaceHub
 from langchain_community.document_loaders import WebBaseLoader