old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  test_templatetags
  -------------------
  
  Tests for `columns.templatetags` module.
  """
  
  import unittest
  
  from columns.templatetags.columns import rows, columns
  
  
  class TestColumns(unittest.TestCase):
  
      def test_columns(self):
          data = range(7)
          result = rows(data, 2)
          expected = [[0, 1, 2, 3], [4, 5, 6]]
          self.assertEqual(result, expected)
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  test_templatetags
  -------------------
  
  Tests for `columns.templatetags` module.
  """
  
  import unittest
  
  from columns.templatetags.columns import columns
  
  
  class TestColumns(unittest.TestCase):
  
      def test_columns(self):
          data = range(7)
          result = columns(data, 2)
          expected = [[0, 1, 2, 3], [4, 5, 6]]
          self.assertEqual(result, expected)
  
subject: Fix tests to match updated defs.