modified filea

app.py

@@ -26,12 +26,13 @@ NEO_DB_PASSWORD = os.getenv('NEO_DB_PASSWORD')
 
 
 # MongoDB setup
-mongo_client = MongoClient("MONGO_DB_URL")
+mongo_client = MongoClient(MONGO_DB_URL)
 db = mongo_client["pdf_db"]
 chunks_collection = db["chunks"]
 
 # Neo4j setup
-neo4j_driver = GraphDatabase.driver("NEO_DB_HOST", auth=("NEO_DB_USER", "NEO_DB_PASSWORD"))
+neo4j_driver = GraphDatabase.driver(NEO_DB_HOST, auth=(NEO_DB_USER, NEO_DB_PASSWORD))
+
 
 # Load pre-trained BERT model and tokenizer
 tokenizer = BertTokenizer.from_pretrained('bert-base-uncased')