def serialize(self, obj, attrs, user):
    result = super(SharedEventSerializer, self).serialize(obj, attrs, user)
    del result['context']
    del result['user']
    del result['tags']
    return result
def serialize(self, obj, attrs, user):
    result = super(SharedEventSerializer, self).serialize(obj, attrs, user)
    del result['context']
    del result['user']
    del result['tags']
    return result