Fallback to using distutils if user doesn't have setuptools installed
Fallback to using distutils if user doesn't have setuptools installed

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