fixed pinecone issue

app.py

@@ -2,7 +2,7 @@ import streamlit as st
 from langchain.prompts import PromptTemplate
 from langchain.llms import CTransformers
 from src.helper import download_hf_embeddings, text_split, download_hf_model
-from langchain.vectorstores import Pinecone
+from langchain.vectorstores import Pinecone as LangchainPinecone
 import os
 from dotenv import load_dotenv
 from src.prompt import prompt_template
@@ -10,7 +10,7 @@ from langchain.chains import RetrievalQA
 import time
 
 # Load environment variables
-load_dotenv()
+
 PINECONE_API_KEY = os.environ.get('PINECONE_API_KEY')
 
 # Set page configuration