old_contents: """.. Ignore pydocstyle D400.
  
  ===========
  Serializers
  ===========
  
  """
  from __future__ import absolute_import, division, print_function, unicode_literals
  
  from rest_framework import serializers
  
  from .models import Feature
  
  
  class FeatureSerializer(serializers.ModelSerializer):
      """Serializer for feature."""
  
      class Meta:
          """Serializer configuration."""
  
          model = Feature
  
new_contents: """.. Ignore pydocstyle D400.
  
  ===========
  Serializers
  ===========
  
  """
  from __future__ import absolute_import, division, print_function, unicode_literals
  
  from rest_framework import serializers
  
  from .models import Feature
  
  
  class FeatureSerializer(serializers.ModelSerializer):
      """Serializer for feature."""
  
      class Meta:
          """Serializer configuration."""
  
          model = Feature
          fields = '__all__'
  
subject: Fix kb serializer