modify secret key

.gitattributes

@@ -32,4 +32,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.xz filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
-*tfevents* filter=lfs diff=lfs merge=lfs -text
+*tfevents* filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -0,0 +1 @@
+.env

app.py

@@ -6,12 +6,15 @@ from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.chains.question_answering import load_qa_chain
 import streamlit as st
 from langchain.chains import RetrievalQA
+import os 
+from dotenv import load_dotenv
 query = st.text_input("Ask a question: ")
 @st.cache_resource
 def llm():
-    return HuggingFaceHub(repo_id="google/flan-t5-small", model_kwargs={"temperature":0,"max_length":200}, huggingfacehub_api_token="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") # type: ignore
+    return HuggingFaceHub(repo_id="google/flan-t5-small", model_kwargs={"temperature":0,"max_length":200}, huggingfacehub_api_token=os.getenv("API_TOKEN")) # type: ignore
 @st.cache_resource
 def qa(query):
+    load_dotenv()
     pdf_folder_path = "./PDFfiles"
     loader = PyPDFDirectoryLoader(pdf_folder_path)
     docs = loader.load()