old_contents: import base
  import unittest
  
  class Test( base.BaseScriptTest, unittest.TestCase ):
      command_line = "./scripts/line_select.py ${features}"
      input_features = base.TestFile( """0
                                         1
                                         1
                                         0
                                         1
                                         0""" )
      input_stdin = base.TestFile( """a
                                      b
  
                                      d
                                      e
                                      f""" )
      output_stdout = base.TestFile( """b
  
                                        d""" )
new_contents: import base
  import unittest
  
  class Test( base.BaseScriptTest, unittest.TestCase ):
      command_line = "./scripts/line_select.py ${features}"
      input_features = base.TestFile( """0
                                         1
                                         1
                                         0
                                         1
                                         0""" )
      input_stdin = base.TestFile( """a
                                      b
  
                                      d
                                      e
                                      f""" )
      output_stdout = base.TestFile( """b
  
                                        e""" )
  
subject: Fix for this test.