From 6c0c5449e4c0c032511dae9f51316c4b6cf85e2e Mon Sep 17 00:00:00 2001
From: Matthew Miller <mmiller@duosecurity.com>
Date: Mon, 8 Jan 2024 15:31:00 -0800
Subject: [PATCH] Revert typing on user_handle

---
 tests/test_bytes_subclass_support.py | 13 -------------
 webauthn/helpers/structs.py          |  2 +-
 2 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/tests/test_bytes_subclass_support.py b/tests/test_bytes_subclass_support.py
index b2f841f..3fe50d6 100644
--- a/tests/test_bytes_subclass_support.py
+++ b/tests/test_bytes_subclass_support.py
@@ -90,16 +90,3 @@ def base64url_to_memoryview(data: str) -> memoryview:
         )
 
         assert verification.new_sign_count == 7
-
-    def test_supports_strings_for_bytes(self) -> None:
-        """
-        Preserve the ability to pass strings for `bytes` fields
-        """
-        response = AuthenticatorAssertionResponse(
-            authenticator_data=bytes(),
-            client_data_json=bytes(),
-            signature=bytes(),
-            user_handle="some_user_handle_string",
-        )
-
-        self.assertEqual(response.user_handle, "some_user_handle_string")
diff --git a/webauthn/helpers/structs.py b/webauthn/helpers/structs.py
index c571d84..a81f5e6 100644
--- a/webauthn/helpers/structs.py
+++ b/webauthn/helpers/structs.py
@@ -490,7 +490,7 @@ class AuthenticatorAssertionResponse:
     client_data_json: bytes
     authenticator_data: bytes
     signature: bytes
-    user_handle: Optional[Union[bytes, str]] = None
+    user_handle: Optional[bytes] = None
 
 
 @dataclass