old_contents: from __future__ import unicode_literals
  
  import unittest
  
  from ..models import sanitize_exif_value
  
  
  class SanitizeExifValueTestCase(unittest.TestCase):
      def test_strip_null_bytes(self):
          """
          Check that null bytes are stripped from the string.
          """
          key = "not relevant"
          value = "abc\x00d"
          self.assertEqual(sanitize_exif_value(key, value), "abcd")
  
new_contents: from __future__ import unicode_literals
  
  import unittest
  
  from ..models import sanitize_exif_value
  
  
  class SanitizeExifValueTestCase(unittest.TestCase):
      def test_strip_null_bytes(self):
          """
          Check that null bytes are stripped from the string.
          """
          key = "not relevant"
          value = "abc\x00d"
          self.assertEqual(sanitize_exif_value(key, value), "abcd")
  
      def test_coerce_to_text(self):
          """
          Check that non-text types are coerced to text.
          """
          key = "not relevant"
          value = (20, 70)
          self.assertEqual(sanitize_exif_value(key, value), "(20, 70)")
  
subject: Test type coercion in sanitize_exif_value