          self.assertEqual('Some help text.', rel_field.help_text)
  
  
  class AttributeMappingOnAutogeneratedFieldsTests(TestCase):
  
      def setUp(self):
  
          class AMOAFSerializer(serializers.ModelSerializer):
              class Meta:
 
</s> remove 

class AMOAFModel(RESTFrameworkModel):
    char_field = models.CharField(max_length=1024, blank=True)
    comma_separated_integer_field = models.CommaSeparatedIntegerField(max_length=1024, blank=True)
    decimal_field = models.DecimalField(max_digits=64, decimal_places=32, blank=True)
    email_field = models.EmailField(max_length=1024, blank=True)
    file_field = models.FileField(upload_to='test', max_length=1024, blank=True)
    image_field = models.ImageField(upload_to='test', max_length=1024, blank=True)
    slug_field = models.SlugField(max_length=1024, blank=True)
    url_field = models.URLField(max_length=1024, blank=True)

class DVOAFModel(RESTFrameworkModel):
    positive_integer_field = models.PositiveIntegerField(blank=True)
    positive_small_integer_field = models.PositiveSmallIntegerField(blank=True)
    email_field = models.EmailField(blank=True)
    file_field = models.FileField(upload_to='test', blank=True)
    image_field = models.ImageField(upload_to='test', blank=True)
    slug_field = models.SlugField(blank=True)
    url_field = models.URLField(blank=True)
 </s> add try:
    import PIL
except:
    PIL = None


if PIL is not None:
    class AMOAFModel(RESTFrameworkModel):
        char_field = models.CharField(max_length=1024, blank=True)
        comma_separated_integer_field = models.CommaSeparatedIntegerField(max_length=1024, blank=True)
        decimal_field = models.DecimalField(max_digits=64, decimal_places=32, blank=True)
        email_field = models.EmailField(max_length=1024, blank=True)
        file_field = models.FileField(upload_to='test', max_length=1024, blank=True)
        image_field = models.ImageField(upload_to='test', max_length=1024, blank=True)
        slug_field = models.SlugField(max_length=1024, blank=True)
        url_field = models.URLField(max_length=1024, blank=True)

    class DVOAFModel(RESTFrameworkModel):
        positive_integer_field = models.PositiveIntegerField(blank=True)
        positive_small_integer_field = models.PositiveSmallIntegerField(blank=True)
        email_field = models.EmailField(blank=True)
        file_field = models.FileField(upload_to='test', blank=True)
        image_field = models.ImageField(upload_to='test', blank=True)
        slug_field = models.SlugField(blank=True)
        url_field = models.URLField(blank=True)
@unittest.skipUnless(PIL is not None, 'PIL is not installed')
          self.assertEqual('Some help text.', rel_field.help_text)
  
  
@unittest.skipUnless(PIL is not None, 'PIL is not installed')
  class AttributeMappingOnAutogeneratedFieldsTests(TestCase):
  
      def setUp(self):
  
          class AMOAFSerializer(serializers.ModelSerializer):
              class Meta:
keep keep add keep keep keep keep keep keep
 Don't barf if PIL is not installed. 
rest_framework/tests/test_serializer.py