diff --git a/tests/test_routes_base.py b/tests/test_routes_base.py
index 3708a3e..15166b5 100644
--- a/tests/test_routes_base.py
+++ b/tests/test_routes_base.py
@@ -116,4 +116,4 @@ def test_extract_branched_chains(branched_synthesis_route):
     assert chains[1][2]["smiles"] == "COc1ccccc1"
     assert chains[1][2]["step"] == 2
     assert chains[1][2]["chain"] == "sub1"
-    assert chains[1][2]["type"] == "branch"
\ No newline at end of file
+    assert chains[1][2]["type"] == "branch"