39 from argparse 
import ArgumentParser
 
   51             return [PSUtilMock.CPU_PERCENTAGE] * 4
 
   54 if __name__ == 
'__main__':
 
   55     parser = ArgumentParser()
 
   56     parser.add_argument(
'--percentage', default=50, type=int)
 
   57     args = parser.parse_known_args()[0]
 
   59     sys.modules[
'psutil'] = PSUtilMock
 
   60     from diagnostic_common_diagnostics 
import cpu_monitor
 
   62     PSUtilMock.CPU_PERCENTAGE = args.percentage