Update app.py

app.py

@@ -1,13 +1,10 @@
 import os
 import fitz
-import textwrap
 from dotenv import load_dotenv
 from langchain_community.document_loaders import UnstructuredPDFLoader
 from langchain_community.vectorstores import FAISS
-from langchain_community.embeddings import HuggingFaceEmbeddings
+from langchain_huggingface import HuggingFaceEmbeddings
 
-# Define the correct model embedding class
-embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/paraphrase-multilingual-mpnet-base-v2")
 from langchain_text_splitters import CharacterTextSplitter
 from langchain_groq import ChatGroq
 from langchain.memory import ConversationBufferMemory
@@ -20,7 +17,9 @@ import gradio as gr
 
 # Load environment variables
 load_dotenv()
-os.environ["GROQ_API_KEY"] = "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"
+secret_key = os.getenv("GROQ_API_KEY")
+
+#os.environ["GROQ_API_KEY"] = 
 embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/paraphrase-multilingual-mpnet-base-v2")
 
 # File directories