serializer.py

class PersonSerializer(VersionnedSerializer):
    name = serializers.CharField()
    birthYear = serializers.CharField()
    eyeColor = serializers.CharField()
    gender = serializers.CharField()
    hairColor = serializers.CharField()
    height = serializers.IntegerField()
    mass = serializers.IntegerField()
    homeworld = HomeworldSerializer()

    class Meta:
        versions = {
            '2018-08-02': RemoveField('hairStyle', serializers.CharField()),
            '2018-07-29': RenameField('iColor', 'eyeColor'),
            '2018-07-27': AddField('gender', serializers.CharField(), default='male')
        }