diff --git a/aws_adfs/authenticator.py b/aws_adfs/authenticator.py
index 2fba079..c32edfa 100644
--- a/aws_adfs/authenticator.py
+++ b/aws_adfs/authenticator.py
@@ -129,7 +129,7 @@ def _silverfort_extractor():
         def extract():
             return silverfort_mfa_auth.extract(html_response, config.ssl_verification, session)
         return extract
-    
+
     def _safenet_extractor():
         def extract():
             return safenet_mfa.extract(html_response, config.ssl_verification, config.mfa_token_command, config.mfa_token, session)
@@ -230,4 +230,4 @@ def _is_safenet_mfa_authentication(html_response):
     return (
         element is not None
         and element.get('value') == 'SafeNet-MFA'
-    )
\ No newline at end of file
+    )