Django Rest Framework Doesn't Display Value In Put Form

Yesterday I posted a question and found a solution to that problem. The solution however caused another issue. Please take a look at the question, so I don't have to duplicate the

Solution 1:

I worked out another way which seemed to be working fine for me. This was to define a class field for the serializer outside the class:

classSpeciesSerializer(serializers.HyperlinkedModelSerializer):
    classMeta:
        model = Speciesfields= (
            'url', 'id', 'canonical_name', 'slug',  'species', 'genus',
            'subfamily', 'family', 'order','class', 'phylum',
            'ncbi_id', 'ncbi_taxonomy',
        )
        read_only_fields = ('slug',)
        extra_kwargs = {
            'url': {'lookup_field': 'slug'}
        }

SpeciesSerializer._declared_fields["class"] = serializers.CharField(source="class_name")

After that both Raw Data and HTML Form look fine: