diff --git a/tests/test_datatype_inheritance.py b/tests/test_datatype_inheritance.py
index 292576f132c844502813cd848aebdfc7c1f161c9..71c81767c743f9a69c72cf358bf80ff4b9f772e4 100644
--- a/tests/test_datatype_inheritance.py
+++ b/tests/test_datatype_inheritance.py
@@ -154,7 +154,7 @@ def test_datatype_overriding_update():
         with raises(TransactionError) as te:
             p.datatype = "INT"
             p.update()
-        
+
         assert "Unknown datatype." == te.value.get_errors()[0].msg
 
         p.datatype = "INTEGER"