Update app.py

app.py

@@ -6,6 +6,8 @@ from sklearn.metrics.pairwise import cosine_similarity
 import requests
 from datetime import datetime
 
+HF_KEY = os.getenv('DATASET_KEY')
+
 # Initialize session state variables
 if 'search_history' not in st.session_state:
     st.session_state['search_history'] = []
@@ -14,7 +16,7 @@ if 'search_columns' not in st.session_state:
 if 'initial_search_done' not in st.session_state:
     st.session_state['initial_search_done'] = False
 if 'hf_token' not in st.session_state:
-    st.session_state['hf_token'] = None
+    st.session_state['hf_token'] = HF_KEY
 
 def fetch_dataset_info_auth(dataset_id, hf_token):
     """Fetch dataset information with authentication"""