adding a forgotten raise
@@ -197,6 +197,7 @@ def get_isitgr_pk_lin(cosmo):
"You must have the `isitgr` python package "
"installed to run CCL with ISiTGR-CAMB!",
*e.args)
+ raise
# z sampling from CCL parameters
na = lib.get_pk_spline_na(cosmo.cosmo)
