Gracefully handle clamd container service not avail

TaskException at /en/lib/form-with-image/

ValueError('Could not connect to clamd server by network socket!')

Request Method: 	POST
Request URL: 	http://127.0.0.1:8000/en/lib/form-with-image/
Django Version: 	3.1.13
Exception Type: 	TaskException
Exception Value: 	

ValueError('Could not connect to clamd server by network socket!')

Exception Location: 	/home/breitner/projects/wagtail_api_forms/.venv/lib/python3.9/site-packages/huey/api.py, line 915, in get
Python Executable: 	/home/breitner/projects/wagtail_ap