More pep8 fixes

Author: pitbulk

src/onelogin/saml2/response.py

@@ -901,7 +901,7 @@ def __decrypt_assertion(self, xml):
                 decrypted = OneLogin_Saml2_Utils.decrypt_element(encrypted_data, key, debug=debug, inplace=True)
                 xml.replace(encrypted_assertion_nodes[0], decrypted)
         return xml
-            
+
     def get_error(self):
         """
         After executing a validation process, if it fails this method returns the cause

src/onelogin/saml2/utils.py

@@ -1066,7 +1066,7 @@ def validate_binary_sign(signed_query, signature, cert=None, algorithm=OneLogin_
     @staticmethod
     def normalize_url(url):
         """
-        Returns normalized URL for comparison. 
+        Returns normalized URL for comparison.
         This method converts the netloc to lowercase, as it should be case-insensitive (per RFC 4343, RFC 7617)
         If standardization fails, the original URL is returned
         Python documentation indicates that URL split also normalizes query strings if empty query fields are present
@@ -1082,4 +1082,4 @@ def normalize_url(url):
             normalized_url = urlunsplit((scheme.lower(), netloc.lower(), path, query, fragment))
             return normalized_url
         except Exception:
-            return url
+            return url