old_contents: #!/usr/bin/env python
      
  import os
  import subprocess
  import sys
  
  
  def main(*argv):
      argv = list(argv)
  
      test = os.path.join(os.environ["SRC_DIR"], "test")
  
      return(subprocess.check_call(["python", "-m", "unittest", test] + argv[1:],
                                   stdin=sys.stdin,
                                   stdout=sys.stdout,
                                   stderr=sys.stderr))
  
  if __name__ == "__main__":
      sys.exit(main(*sys.argv))
  
new_contents: #!/usr/bin/env python
  
  
  import os
  import subprocess
  import sys
  
  
  def main(*argv):
      argv = list(argv)
  
      test = os.path.join(os.environ["SRC_DIR"], "test")
  
      return(subprocess.check_call(["python", "-m", "unittest", test] + argv[1:],
                                   stdin=sys.stdin,
                                   stdout=sys.stdout,
                                   stderr=sys.stderr))
  
  
  if __name__ == "__main__":
      sys.exit(main(*sys.argv))
  
subject: Fix up whitespace.