text: import sys
  
  from exgrex.decorators import (CopySolutionFile,
                                 RunUnittestTests)
  from exgrex.graders import UnittestGrader
  from exgrex.result import LogTestResult
  
  
  @CopySolutionFile(pathTo='some_dir', filename='some_file.py')
  @RunUnittestTests(
      test_result_class=LogTestResult, failfast=False, traceback=True, verbosity=1,
      pass_rate=0.6
  )
  def executeGrader(grader):
      """
      :param grader
      :type grader: Grader
      """
      sys.exit(0)
  
  
  if __name__ == '__main__':
      grader = UnittestGrader()
      grader.taskName = "Example task."
      executeGrader(grader)
  