Running legacy nnfit runcards

[enocera]

As part of the fit campaign, we want to run a couple of fits with the nnfit methodology. If I use the environment in ##1255 or the code from master, and if I run vp-setupfit on e.g. this runcard, I get the error

[ERROR]: Bad configuration encountered:
A parameter is required: parameters.
This is needed to process:
 - n3fit_checks_action

cc @tgiani

[enocera]

I guess that this is directly related to #1253?

[RoyStegeman]

Indeed, you found the correct PR. By default vp-setupfit now performs the same checks as n3fit. These checks be circumvented by adding the --legacy flag when running vp-setupfit.

Perhaps I should include a statement like that in the warning.

[enocera]

@RoyStegeman My bad, if I had read the documentation first (or listened to the discussion at the code meeting more attentively), I would have answered my own question. No need to add any warning. Thanks.