code: def _load_fits(self, h5file):
          
          fits = {}
          for key in ['mf']:
              fits[key] = self._load_scalar_fit(fit_key=key, h5file=h5file)
          for key in ['chif', 'vf']:
              fits[key] = self._load_vector_fit(key, h5file)
          return fits
docs: Loads fits from h5file and returns a dictionary of fits.