Only use config server if GDA didn't supply params #496
+30
−6
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Fixes #494
This was quite an annoying issue setting the parameters to None by default and then using an 'after' validator to say 'if None then use config server' wouldn't work due to typing complaints about setting a boolean to None.
Instead, I am using a 'before' validator to check if the parameters were supplied by GDA. I have to instantiate the Feature class as this hasn't been done at the time the 'pre' validator runs
Acceptance criteria
If GDA parameters are supplied for gpu, panda and stub_offsets, these are used. If the parameters are missing, the config server is used instead