Fix PyAPI filter for numpy isinstance bug
Fix PyAPI filter for numpy isinstance bug

amandalund/openmc,kellyrowland/openmc,paulromano/openmc,mit-crpg/openmc,mjlong/openmc,wbinventor/openmc,walshjon/openmc,johnnyliu27/openmc,shikhar413/openmc,samuelshaner/openmc,mit-crpg/openmc,liangjg/openmc,smharper/openmc,amandalund/openmc,mjlong/openmc,shikhar413/openmc,walshjon/openmc,samuelshaner/openmc,shikhar413/openmc,walshjon/openmc,liangjg/openmc,wbinventor/openmc,mit-crpg/openmc,paulromano/openmc,bhermanmit/openmc,walshjon/openmc,samuelshaner/openmc,smharper/openmc,liangjg/openmc,liangjg/openmc,paulromano/openmc,wbinventor/openmc,johnnyliu27/openmc,amandalund/openmc,wbinventor/openmc,kellyrowland/openmc,samuelshaner/openmc,shikhar413/openmc,mit-crpg/openmc,johnnyliu27/openmc,bhermanmit/openmc,smharper/openmc,paulromano/openmc,smharper/openmc,amandalund/openmc,johnnyliu27/openmc