Added dependency pysqlite3

requirements.txt

@@ -9,3 +9,4 @@ tensorflow==2.16.1
 gradio==4.21.0
 pandas==2.2.1
 streamlit==1.32.2
+pysqlite3-binary==0.5.2.post3

streamlit_app.py

@@ -1,4 +1,11 @@
+# code to fix the issue with sqllite version on streamlit.io
+__import__('pysqlite3')
+import sys
+sys.modules['sqlite3'] = sys.modules.pop('pysqlite3')
+
 # import libraries
+import os
+import streamlit as st
 from dotenv import find_dotenv, load_dotenv
 
 # import functions
@@ -10,6 +17,9 @@ def main():
     # find .env automatically by walking up directories until it's found, then
     # load up the .env entries as environment variables
     load_dotenv(find_dotenv())
+    
+    if st.secrets["HUGGINGFACEHUB_API_TOKEN"]:
+        os.environ["HUGGINGFACEHUB_API_TOKEN"] = st.secrets["HUGGINGFACEHUB_API_TOKEN"]
 
     # get the qa chain
     qa_chain = get_qa_chain()