old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  test_main
  ---------
  
  Tests for `cookiecutter.main` module.
  """
  
  import logging
  import os
  import unittest
  
  from cookiecutter import main
  
  # Log debug and above to console
  logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.DEBUG)
  
  
  class TestAbbreviationExpansion(unittest.TestCase):
  
      def test_abbreviation_expansion(self):
          template = main.expand_abbreviations('foo', {'abbreviations': {'foo': 'bar'}})
          self.assertEqual(template, 'bar')
  
      def test_abbreviation_expansion_not_an_abbreviation(self):
          template = main.expand_abbreviations('baz', {'abbreviations': {'foo': 'bar'}})
          self.assertEqual(template, 'baz')
  
      def test_abbreviation_expansion_prefix(self):
          template = main.expand_abbreviations('xx:a', {'abbreviations': {'xx': '<{0}>'}})
          self.assertEqual(template, '<a>')
  
      def test_abbreviation_expansion_builtin(self):
          template = main.expand_abbreviations('gh:a', {})
          self.assertEqual(template, 'https://github.com/a.git')
  
      def test_abbreviation_expansion_override_builtin(self):
          template = main.expand_abbreviations('gh:a', {'abbreviations': {'gh': '<{0}>'}})
          self.assertEqual(template, '<a>')
  
      def test_abbreviation_expansion_prefix_ignores_suffix(self):
          template = main.expand_abbreviations('xx:a', {'abbreviations': {'xx': '<>'}})
          self.assertEqual(template, '<>')
  
      def test_abbreviation_expansion_prefix_not_0_in_braces(self):
          self.assertRaises(
              IndexError,
              main.expand_abbreviations,
              'xx:a',
              {'abbreviations': {'xx': '{1}'}}
          )
  
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  test_main
  ---------
  
  Tests for `cookiecutter.main` module.
  """
  
  import logging
  import unittest
  
  from cookiecutter import main
  
  # Log debug and above to console
  logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.DEBUG)
  
  
  class TestAbbreviationExpansion(unittest.TestCase):
  
      def test_abbreviation_expansion(self):
          template = main.expand_abbreviations('foo', {'abbreviations': {'foo': 'bar'}})
          self.assertEqual(template, 'bar')
  
      def test_abbreviation_expansion_not_an_abbreviation(self):
          template = main.expand_abbreviations('baz', {'abbreviations': {'foo': 'bar'}})
          self.assertEqual(template, 'baz')
  
      def test_abbreviation_expansion_prefix(self):
          template = main.expand_abbreviations('xx:a', {'abbreviations': {'xx': '<{0}>'}})
          self.assertEqual(template, '<a>')
  
      def test_abbreviation_expansion_builtin(self):
          template = main.expand_abbreviations('gh:a', {})
          self.assertEqual(template, 'https://github.com/a.git')
  
      def test_abbreviation_expansion_override_builtin(self):
          template = main.expand_abbreviations('gh:a', {'abbreviations': {'gh': '<{0}>'}})
          self.assertEqual(template, '<a>')
  
      def test_abbreviation_expansion_prefix_ignores_suffix(self):
          template = main.expand_abbreviations('xx:a', {'abbreviations': {'xx': '<>'}})
          self.assertEqual(template, '<>')
  
      def test_abbreviation_expansion_prefix_not_0_in_braces(self):
          self.assertRaises(
              IndexError,
              main.expand_abbreviations,
              'xx:a',
              {'abbreviations': {'xx': '{1}'}}
          )
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Remove unused import of os