old_contents: from pywps import Process, LiteralInput
  
  import logging
  logger = logging.getLogger("PYWPS")
  
  
  class ShowError(Process):
      def __init__(self):
          inputs = [
              LiteralInput('message', 'Error Message', data_type='string',
                           abstract='Enter an error message that will be returned.',
                           default="This process failed intentionally :)",
                           min_occurs=1,)]
  
          super(ShowError, self).__init__(
              self._handler,
              identifier='error',
              title='Show a WPS Error',
              abstract='This process will fail intentionally with a WPS error message.',
              version='1.0',
              inputs=inputs,
              # outputs=outputs,
              store_supported=True,
              status_supported=True
          )
  
      def _handler(self, request, response):
          logger.info("wps_error started ...")
          raise Exception(request.inputs['message'][0].data)
  
new_contents: from pywps import Process, LiteralInput
  
  import logging
  logger = logging.getLogger("PYWPS")
  
  
  class ShowError(Process):
      def __init__(self):
          inputs = [
              LiteralInput('message', 'Error Message', data_type='string',
                           abstract='Enter an error message that will be returned.',
                           default="This process failed intentionally :)",
                           min_occurs=1,)]
  
          super(ShowError, self).__init__(
              self._handler,
              identifier='show_error',
              title='Show a WPS Error',
              abstract='This process will fail intentionally with a WPS error message.',
              version='1.0',
              inputs=inputs,
              # outputs=outputs,
              store_supported=True,
              status_supported=True
          )
  
      def _handler(self, request, response):
          logger.info("wps_error started ...")
          raise Exception(request.inputs['message'][0].data)
  
subject: update show_error identifier