Only requirestep_sizes in PyrenewHEWData.from_json if corresponding fit arg is True #638
Description
Right now, for example, we currently only expect to see nwss_training_data if fit_wastewater is True, but we always expect to see nwss_step_size, regardless of fit_wastewater.
pyrenew-hew/pyrenew_hew/pyrenew_hew_data.py
Lines 145 to 147 in 848db17