apt install linux-headers-amd64
also make sure the build directory of the kernel headers is a link to the kernel sources, like:
$ l /usr/lib/modules/6.12.25-amd64/build
| import os | |
| import logging | |
| from django.core import serializers | |
| LOGGER = logging.getLogger(__name__) | |
| def load_fixture(app, fixture, ignorenonexistent=True): | |
| """ |