Prevent "Comparison between bytes and string" warning

_________________ ERROR at teardown of test_token_management __________________

recwarn = WarningsRecorder(record=True)

    @pytest.fixture(autouse=True)
    def no_warnings(recwarn):
        """Fail on warning."""
    
        yield
    
        warnings = []
        for warning in recwarn:  # pragma: no cover
            message = str(warning.message)
    
            if "sentry_sdk" in warning.filename:
                continue
            elif "WaitForInputIdle" in message:
                # Happen while testing the integration on Windows, we can skip it:
                # "Application is not loaded correctly (WaitForInputIdle failed)"
                continue
            elif "type=SocketKind.SOCK_STREAM" in message:
                # Socket leaks on macOS, may need investigations
                continue
            elif "TerminalReporter.writer attribute is deprecated" in message:
                # Cannot understand if this is from our code or a pytest plugin,
                # let's wait for when it will fail :)
                continue
            elif "(rm_rf) error removing" in message:
                # First appeared with pytest 5.4.1
                continue
    
            warn = f"{warning.filename}:{warning.lineno} {message}"
            print(warn, file=sys.stderr)
            warnings.append(warn)
    
>       assert not warnings
E       AssertionError: assert not ['C:\\Users\\rgrasland\\PycharmProjects\\nuxeo-drive\\nxdrive\\engine\\engine.py:938 Comparison between bytes and string']

message    = 'Comparison between bytes and string'
recwarn    = WarningsRecorder(record=True)
warn       = 'C:\\Users\\rgrasland\\PycharmProjects\\nuxeo-drive\\nxdrive\\engine\\engine.py:938 Comparison between bytes and string'
warning    = <warnings.WarningMessage object at 0x05D2E310>
warnings   = ['C:\\Users\\rgrasland\\PycharmProjects\\nuxeo-drive\\nxdrive\\engine\\engine.py:938 Comparison between bytes and string']

tests\conftest.py:88: AssertionError