old_contents: from django.db import models
  
  from . import TimestampedModel
  from .ml_feedback import MLFeedback
  from .ml_model import MLModel
  from ..utils import combine_labels
  
  
  CORRECT_FEEDBACK = 'All rules-based checks passed!'
  
  
  class Prompt(TimestampedModel):
      text = models.TextField(null=False)
      max_attempts = models.PositiveIntegerField(default=5)
      max_attempts_feedback = models.TextField(null=False)
      ml_model = models.ForeignKey(MLModel, on_delete=models.PROTECT,
                                   related_name='prompts', null=True)
  
      def fetch_rules_based_feedback(self, entry, pass_order):
          rule_sets = (self.rule_sets.filter(pass_order=pass_order).
                       order_by('priority').all())
          feedback = {
                       'feedback': CORRECT_FEEDBACK,
                       'optimal': True
                      }
  
          for rule_set in rule_sets:
              rules = rule_set.rules.all() if rule_set.rules else []
              for rule in rules:
                  if not rule.match(entry):
                      feedback['feedback'] = rule_set.feedback
                      feedback['optimal'] = False
                      return feedback
  
          return feedback
  
      def fetch_auto_ml_feedback(self, entry, multi_label=True):
          if multi_label:
              labels = self._request_ml_labels(entry)
          else:
              labels = self._request_single_ml_label(entry)
          return self._get_feedback_for_labels(labels)
  
      def _request_single_ml_label(self, entry):
          return self.ml_model.request_single_label(entry)
  
      def _request_ml_labels(self, entry):
          return self.ml_model.request_labels(entry)
  
      def _get_feedback_for_labels(self, labels):
          combined_labels = combine_labels(labels)
          try:
              return self.ml_feedback.get(combined_labels=combined_labels)
          except MLFeedback.DoesNotExist:
              return self._get_default_feedback()
  
      def _get_default_feedback(self):
          default_label = MLFeedback.DEFAULT_FEEDBACK_LABEL
          return self.ml_feedback.get(combined_labels=default_label)
  
new_contents: from django.db import models
  
  from . import TimestampedModel
  from .ml_feedback import MLFeedback
  from .ml_model import MLModel
  from ..utils import combine_labels
  
  
  CORRECT_FEEDBACK = 'All rules-based checks passed!'
  
  
  class Prompt(TimestampedModel):
      text = models.TextField(null=False)
      max_attempts = models.PositiveIntegerField(default=5)
      max_attempts_feedback = models.TextField(null=False)
      ml_model = models.ForeignKey(MLModel, on_delete=models.PROTECT,
                                   related_name='prompts', null=True)
  
      def fetch_rules_based_feedback(self, entry, pass_order):
          rule_sets = (self.rule_sets.filter(pass_order=pass_order).
                       order_by('priority').all())
          feedback = {
                       'feedback': CORRECT_FEEDBACK,
                       'optimal': True
                      }
  
          for rule_set in rule_sets:
              for rule in rules:
                  if not rule.match(entry):
                      feedback['feedback'] = rule_set.feedback
                      feedback['optimal'] = False
                      return feedback
  
          return feedback
  
      def fetch_auto_ml_feedback(self, entry, multi_label=True):
          if multi_label:
              labels = self._request_ml_labels(entry)
          else:
              labels = self._request_single_ml_label(entry)
          return self._get_feedback_for_labels(labels)
  
      def _request_single_ml_label(self, entry):
          return self.ml_model.request_single_label(entry)
  
      def _request_ml_labels(self, entry):
          return self.ml_model.request_labels(entry)
  
      def _get_feedback_for_labels(self, labels):
          combined_labels = combine_labels(labels)
          try:
              return self.ml_feedback.get(combined_labels=combined_labels)
          except MLFeedback.DoesNotExist:
              return self._get_default_feedback()
  
      def _get_default_feedback(self):
          default_label = MLFeedback.DEFAULT_FEEDBACK_LABEL
          return self.ml_feedback.get(combined_labels=default_label)
  
subject: remove extraneous check