Update app.py

app.py

@@ -10,15 +10,17 @@ import faiss
 import gradio as gr
 from sklearn.metrics.pairwise import cosine_similarity
 from huggingface_hub import hf_hub_download, login
-from dotenv import load_dotenv
 from pyspark.sql import SparkSession
 from pyspark.sql.functions import col, udf, monotonically_increasing_id, collect_list, concat_ws
 from pyspark.sql.types import StringType
+from huggingface_hub import HfApi
 
-# Load environment variables
-load_dotenv()
-HF_TOKEN = os.getenv("HF_TOKEN")
-login(token=HF_TOKEN)
+# Load token from Hugging Face Secrets (not .env)
+HF_TOKEN = os.environ.get("RedditSemanticSearch")
+
+# Authenticate
+api = HfApi()
+api.set_access_token(HF_TOKEN)
 
 # Define target subreddits
 target_subreddits = ["askscience", "gaming", "technology", "todayilearned", "programming"]