def unregister_serializer(format):
    if not _serializers:
        _load_serializers()
    if format not in _serializers:
        raise SerializerDoesNotExist(format)
    del _serializers[format]
Determine content type of the request body.
dataset/ETHPy150Open django/django/django/core/serializers/__init__.py/unregister_serializer--crossover with--dataset/ETHPy150Open nii-cloud/dodai-compute/nova/api/openstack/wsgi.py/Request.get_content_type