old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  from unittest import main
  
  from test_core import *
  from test_lazy import *
  
  
  if __name__ == '__main__':
      main()
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  # Hack to allow us to run tests before installing.
  import sys, os
  sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '..')))
  
  from unittest import main
  
  from test_core import *
  from test_lazy import *
  
  
  if __name__ == '__main__':
      main()
  
subject: Make running unit tests more friendly