lint fix

Signed-off-by: Jussi Kukkonen <jkukkonen@google.com>

Author: jku

tests/test_hsm_signer.py

@@ -186,7 +186,7 @@ def test_hsm_private_pubkey(self):
             # Pin handler must be called only if public key is private
             if hsm_keyid == self.hsm_keyid_priv:
                 good_pinh.assert_called_once()
-            else:  
+            else:
                 good_pinh.assert_not_called()
 
             signer = HSMSigner(hsm_keyid, self.token_filter, key, good_pinh)