updated env

app.py

@@ -5,12 +5,14 @@ from bs4 import BeautifulSoup
 import PyPDF2
 import docx
 import time
-from langchain import OpenAI, ConversationChain, PromptTemplate
+from langchain_community.llms import OpenAI
+from langchain.chains import ConversationChain
+from langchain_core.prompts import PromptTemplate
 from dotenv import load_dotenv
 import os
 
 load_dotenv()  # Load environment variables from .env file
-openai_api_key = os.getenv("openai_api_key")
+openai_api_key = os.getenv("OPENAI_API_KEY")
 llm = OpenAI(openai_api_key=openai_api_key)
 
 summarizer = pipeline("summarization", model="facebook/bart-large-cnn")

requirements.txt

@@ -5,7 +5,8 @@ requests
 beautifulsoup4
 PyPDF2
 python-docx
+langchain_community
 langchain
+langchain_core
 openai
-python-dotenv
-langchain_community
+python-dotenv