code: def errors(self):
          
          try:
              return self.__dict__['errors']
          except KeyError:
              pass
  
          suberrors = dict()
          for err in self.response_doc.findall('error'):
              field = err.attrib['field']
              symbol = err.attrib['symbol']
              message = err.text
              sub_err = self.Suberror(field, symbol, message)
  
              # If the field exists, we need to turn the suberror
              # into a list of suberrors
              if field in suberrors:
                  if type(suberrors[field]) != list:
                      suberrors[field] = [suberrors[field]]
                  suberrors[field].append(sub_err)
              else:
                  suberrors[field] = sub_err
  
          self.__dict__['errors'] = suberrors
          return suberrors
docs: A dictionary of error objects, keyed on the name of the
          request field that was invalid.
  
          Each error value has `field`, `symbol`, and `message`
          attributes describing the particular invalidity of that field.