Update p_astro import for new namespace layout
This MR updates the imports for ligo.p_astro
to accommodate the new package layout. see Restructure project into a single namespace (lscsoft/p-astro!42 - merged).
ATOW this is Draft until Restructure project into a single namespace (lscsoft/p-astro!42 - merged) is finalised.
Edited by Duncan Macleod