diff --git a/tests/app/models/test_webauthn_credential.py b/tests/app/models/test_webauthn_credential.py
index 814a281ee..8096c72c3 100644
--- a/tests/app/models/test_webauthn_credential.py
+++ b/tests/app/models/test_webauthn_credential.py
@@ -43,8 +43,8 @@ def test_from_registration_encodes_as_unicode(webauthn_dev_server):
 
     serialized_credential = credential.serialize()
 
-    assert type(serialized_credential['credential_data']) == str
-    assert type(serialized_credential['registration_response']) == str
+    assert type(serialized_credential['credential_data']) == str # noqa E721
+    assert type(serialized_credential['registration_response']) == str  # noqa E721
 
 
 def test_from_registration_handles_library_errors():