text: from os_pywf.utils import wf_error_string
  
  
  class Failure(BaseException):
      def __init__(self, exception, value=None):
          self.exception = exception
          self.value = value
  
      def __str__(self):
          return f"{self.exception} {self.value}"
  
  
  class WFException(Exception):
      def __init__(self, state, code):
          self.state = state
          self.code = code
  
      def __str__(self):
          return wf_error_string(self.state, self.code)
  