old_contents: #!/usr/bin/env python
  
  
  import sys
  from subprocess import Popen, PIPE
  
  
  from . import exitcodeapp
  
  
  def test_ints(tmpdir):
      for expected_status in range(4):
          args = [sys.executable, exitcodeapp.__file__, "{0:d}".format(expected_status)]
          p = Popen(args, env={"PYTHONPATH": ":".join(sys.path)})
          status = p.wait()
  
          assert status == expected_status
  
  
  def test_string(tmpdir):
      args = [sys.executable, exitcodeapp.__file__, "foobar"]
      p = Popen(args, env={"PYTHONPATH": ":".join(sys.path)}, stderr=PIPE)
      status = p.wait()
  
      assert status == 1
      assert p.stderr.read() == "foobar\n"
  
new_contents: #!/usr/bin/env python
  
  
  import sys
  from subprocess import Popen, PIPE
  from circuits.six import b
  
  from . import exitcodeapp
  
  
  def test_ints(tmpdir):
      for expected_status in range(4):
          args = [sys.executable, exitcodeapp.__file__, "{0:d}".format(expected_status)]
          p = Popen(args, env={"PYTHONPATH": ":".join(sys.path)})
          status = p.wait()
  
          assert status == expected_status
  
  
  def test_string(tmpdir):
      args = [sys.executable, exitcodeapp.__file__, "foobar"]
      p = Popen(args, env={"PYTHONPATH": ":".join(sys.path)}, stderr=PIPE)
      status = p.wait()
  
      assert status == 1
      assert p.stderr.read() == b("foobar\n")
  
subject: Fix test_exit_code to be compatible with python2