Update app.py

app.py

@@ -6,17 +6,8 @@ from langchain_google_genai import ChatGoogleGenerativeAI
 import google.generativeai as genai
 import gradio as gr 
 
-import os
-import gradio as gr
-from langchain import PromptTemplate
-from langchain.chains.question_answering import load_qa_chain
-from langchain.document_loaders import PyPDFLoader
-from langchain_google_genai import ChatGoogleGenerativeAI
-import google.generativeai as genai
-from dotenv import load_dotenv
 
-# Load environment variables from .env file
-load_dotenv()
+
 
 # Function for initialisation
 def initialize(file_path, question):