old_contents: 
  import py
  import marshal
  
  class TestRaises:
      def test_raises(self):
          py.test.raises(ValueError, "int('qwe')")
  
      def test_raises_exec(self):
          py.test.raises(ValueError, "a,x = []") 
  
      def test_raises_syntax_error(self):
          py.test.raises(SyntaxError, "qwe qwe qwe")
  
      def test_raises_function(self):
          py.test.raises(ValueError, int, 'hello')
  
  def test_importorskip():
      from py.__.test.outcome import Skipped
      try:
          sys = py.test.importorskip("sys")
          assert sys == py.std.sys
          #path = py.test.importorskip("os.path")
          #assert path == py.std.os.path
          py.test.raises(Skipped, "py.test.importorskip('alskdj')")
          py.test.raises(SyntaxError, "py.test.importorskip('x y z')")
          py.test.raises(SyntaxError, "py.test.importorskip('x=y')")
          path = py.test.importorskip("py", minversion=".".join(py.__version__))
          py.test.raises(Skipped, """
              py.test.importorskip("py", minversion="5.0")
          """)
      except Skipped:
          print py.code.ExceptionInfo()
          py.test.fail("spurious skip")
  
  def test_pytest_exit():
      try:
          py.test.exit("hello")
      except:
          excinfo = py.code.ExceptionInfo()
          assert excinfo.errisinstance(KeyboardInterrupt)
  
  
new_contents: 
  import py
  import marshal
  
  class TestRaises:
      def test_raises(self):
          py.test.raises(ValueError, "int('qwe')")
  
      def test_raises_exec(self):
          py.test.raises(ValueError, "a,x = []") 
  
      def test_raises_syntax_error(self):
          py.test.raises(SyntaxError, "qwe qwe qwe")
  
      def test_raises_function(self):
          py.test.raises(ValueError, int, 'hello')
  
  def test_importorskip():
      from py.__.test.outcome import Skipped
      try:
          sys = py.test.importorskip("sys")
          assert sys == py.std.sys
          #path = py.test.importorskip("os.path")
          #assert path == py.std.os.path
          py.test.raises(Skipped, "py.test.importorskip('alskdj')")
          py.test.raises(SyntaxError, "py.test.importorskip('x y z')")
          py.test.raises(SyntaxError, "py.test.importorskip('x=y')")
          path = py.test.importorskip("py", minversion=".".join(py.__version__))
          mod = py.std.new.module("hello123")
          mod.__version__ = "1.3" 
          py.test.raises(Skipped, """
              py.test.importorskip("hello123", minversion="5.0")
          """)
      except Skipped:
          print py.code.ExceptionInfo()
          py.test.fail("spurious skip")
  
  def test_pytest_exit():
      try:
          py.test.exit("hello")
      except:
          excinfo = py.code.ExceptionInfo()
          assert excinfo.errisinstance(KeyboardInterrupt)
  
  
subject: fix test