Update src/graph/graph_loader.py

src/graph/graph_loader.py

@@ -14,7 +14,7 @@ class KnowledgeGraphPersister:
         user = os.getenv("NEO4J_USER", "neo4j")
         password = os.getenv("NEO4J_PASSWORD", "")
         
-       try:
+        try:
             self.driver = GraphDatabase.driver(uri, auth=(user, password))
             self.driver.verify_connectivity()
             print(f"✅ Connesso a Neo4j ({uri}).")