Your likelihood needs to either have an attribute or declare params in a likelihood yaml. Or return the parameter names from .get_can_support_params() if you want to optionally support them. For H0, you can return from get_requirements() if you might be using from CAMB etc and not sampling it directly, or you can treat is as a parameter like the nuisances.
Code:
params = {'another_nuisance_param': None, .. etc}
Statistics: Posted by Antony Lewis — August 06 2024