old_contents: #! /usr/bin/env python
  
  # ======================================================================
  # matscipy - Python materials science tools
  # https://github.com/libAtoms/matscipy
  #
  # Copyright (2014) James Kermode, King's College London
  #                  Lars Pastewka, Karlsruhe Institute of Technology
  #
  # This program is free software: you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation, either version 2 of the License, or
  # (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  # ======================================================================
  
  import unittest
  
  from cubic_elastic_moduli import *
  
  ###
  
  unittest.main()
  
  
new_contents: #! /usr/bin/env python
  
  # ======================================================================
  # matscipy - Python materials science tools
  # https://github.com/libAtoms/matscipy
  #
  # Copyright (2014) James Kermode, King's College London
  #                  Lars Pastewka, Karlsruhe Institute of Technology
  #
  # This program is free software: you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation, either version 2 of the License, or
  # (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  # ======================================================================
  
  import unittest
  
  from cubic_crystal_crack import *
  from cubic_elastic_moduli import *
  
  ###
  
  unittest.main()
  
  
subject: Add crack test to test runner.