NoneType error in finding post processing during unit tests

[valentijnscholten]

quick dump here of error occuring during unit tests in our github action test suite, tests don't seem to fail strangely enough:

celeryworker-1      | [05/Mar/2025 20:06:22] ERROR [celery.app.trace:267] Task dojo.finding.helper.post_process_finding_save[30d495d4-3be2-4196-ae33-2563215043fa] raised unexpected: AttributeError("'NoneType' object has no attribute 'hash_code'")
celeryworker-1      | Traceback (most recent call last):
celeryworker-1      |   File "/usr/local/lib/python3.11/site-packages/celery/app/trace.py", line 453, in trace_task
celeryworker-1      |     R = retval = fun(*args, **kwargs)
celeryworker-1      |                  ^^^^^^^^^^^^^^^^^^^^
celeryworker-1      |   File "/usr/local/lib/python3.11/site-packages/celery/app/trace.py", line 736, in __protected_call__
celeryworker-1      |     return self.run(*args, **kwargs)
celeryworker-1      |            ^^^^^^^^^^^^^^^^^^^^^^^^^
celeryworker-1      |   File "/app/dojo/decorators.py", line 116, in __wrapper__
celeryworker-1      |     return func(*args, **kwargs)
celeryworker-1      |            ^^^^^^^^^^^^^^^^^^^^^
celeryworker-1      |   File "/app/dojo/finding/helper.py", line 358, in post_process_finding_save
celeryworker-1      |     if finding.hash_code is not None:
celeryworker-1      |        ^^^^^^^^^^^^^^^^^
celeryworker-1      | AttributeError: 'NoneType' object has no attribute 'hash_code'