code: def _powershell_script_order_reverse_conversion(cls, val, **kwargs):
          '''
          converts powershell script GUI strings representations to
          True/False/None
          '''
          if val.upper() == 'Run Windows PowerShell scripts first'.upper():
              return 'true'
          elif val.upper() == 'Run Windows PowerShell scripts last'.upper():
              return 'false'
          elif val is 'Not Configured':
              return None
          else:
              return 'Invalid Valuef _powershell_script_order_reverse_conversion(cls, val, **kwargs):
          '''
          converts powershell script GUI strings representations to
          True/False/None
          '''
          if val.upper() == 'Run Windows PowerShell scripts first'.upper():
              return 'true'
          elif val.upper() == 'Run Windows PowerShell scripts last'.upper():
              return 'false'
          elif val is 'Not Configured':
              return None
          else:
              return 'Invalid Value'
docs: converts powershell script GUI strings representations to
          True/False/None