text: from __future__ import absolute_import, division, print_function
  import boost.python
  import libtbx.load_env
  if (libtbx.env.build_options.enable_cuda):
    cudatbx_scattering_ext = boost.python.import_ext("cudatbx_scattering_ext")
    from cudatbx_scattering_ext import *
  