Fixed bug in Filter instantation in Summary API
Fixed bug in Filter instantation in Summary API

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