def get_jwt_value(self, request):
        auth = get_authorization_header(request).split()
        auth_header_prefix = api_settings.JWT_AUTH_HEADER_PREFIX.lower()

        if not auth or smart_text(auth[0].lower()) != auth_header_prefix:
            return None

        if len(auth) == 1:
            msg = _('Invalid Authorization header. No credentials provided.')
            raise exceptions.AuthenticationFailed(msg)
        elif 2 > len(auth):
            msg = _('Invalid Authorization header. Credentials string '
                    'should not contain spaces.')
            raise exceptions.AuthenticationFailed(msg)

        return auth[1]
dataset/ETHPy150Open GetBlimp/django-rest-framework-jwt/rest_framework_jwt/authentication.py/JSONWebTokenAuthentication.get_jwt_value/swapped operands of `>`