The error asset.derivation-check

user: the script can change it: the error says what happened in the experiment’s names, and what to write instead.

Where MIME gives it, with what its message says happened and what its action says to do ({…} is filled in from the experiment):

• in mime/assets/_derivation.py:

  • what happened: {…} was built with no check at all, so it is not produced: an asset nothing checked says nothing

  • what to do: give the builder something to build (an empty case set builds nothing) and a check for what it builds: Produced(..., checks=(...))

• in mime/assets/_derivation.py:

  • what happened: {…} of the {…} checks of {…} failed, so it is not produced: {…}

  • what to do: change the parameters or the inputs that the failed checks name, and build it again: derive(asset, builder, parameters=..., inputs=...)

Reading an error and reaching its full traceback: reading an error. Every code: the index.