diff --git a/src/saml2/saml.py b/src/saml2/saml.py
index 66f98e8..3ee8b5c 100644
--- a/src/saml2/saml.py
+++ b/src/saml2/saml.py
@@ -1855,4 +1855,4 @@ ELEMENT_BY_TAG = {
 
 
 def factory(tag, **kwargs):
-    return ELEMENT_BY_TAG[tag](**kwargs)
\ No newline at end of file
+    return ELEMENT_BY_TAG[tag](**kwargs)