Jwt-errors-1

 =================================== FAILURES ===================================
______________ TestNodeRegistrationSerializer.test_serialization _______________
api_tests/nodes/serializers/test_serializers.py:145: in test_serialization
    registration = RegistrationFactory(creator=user)
/opt/hostedtoolcache/Python/3.6.15/x64/lib/python3.6/site-packages/factory/base.py:46: in __call__
    return cls.create(**kwargs)
/opt/hostedtoolcache/Python/3.6.15/x64/lib/python3.6/site-packages/factory/base.py:563: in create
    return cls._generate(enums.CREATE_STRATEGY, kwargs)
/opt/hostedtoolcache/Python/3.6.15/x64/lib/python3.6/site-packages/factory/base.py:500: in _generate
    return step.build()
/opt/hostedtoolcache/Python/3.6.15/x64/lib/python3.6/site-packages/factory/builder.py:279: in build
    kwargs=kwargs,
/opt/hostedtoolcache/Python/3.6.15/x64/lib/python3.6/site-packages/factory/base.py:314: in instantiate
    return self.factory._create(model, *args, **kwargs)
osf_tests/factories.py:455: in _create
    add_approval_step(reg)
osf_tests/factories.py:448: in add_approval_step
    reg.require_approval(reg.creator)
osf/models/registrations.py:453: in require_approval
    approval = self._initiate_approval(user, notify_initiator_on_complete)
osf/models/registrations.py:443: in _initiate_approval
    self.registration_approval.add_authorizer(admin, node=node)
osf/models/sanctions.py:438: in add_authorizer
    **kwargs)
osf/models/sanctions.py:278: in add_authorizer
    'action': 'approve_{}'.format(self.SHORT_NAME)
osf/utils/tokens/__init__.py:92: in encode
    algorithm=settings.JWT_ALGORITHM
E   AttributeError: 'str' object has no attribute 'decode'