Copy hidden _fpy attribute when reducing depletion chain
Copy hidden _fpy attribute when reducing depletion chain

amandalund/openmc,amandalund/openmc,smharper/openmc,shikhar413/openmc,mit-crpg/openmc,mit-crpg/openmc,liangjg/openmc,smharper/openmc,mit-crpg/openmc,paulromano/openmc,walshjon/openmc,paulromano/openmc,walshjon/openmc,paulromano/openmc,smharper/openmc,shikhar413/openmc,walshjon/openmc,liangjg/openmc,liangjg/openmc,smharper/openmc,shikhar413/openmc,mit-crpg/openmc,amandalund/openmc,shikhar413/openmc,walshjon/openmc,paulromano/openmc,liangjg/openmc,amandalund/openmc