old_contents: import os
  import re
  from configparser import ConfigParser
  from importlib import import_module
  
  from twisted import version as twisted_version
  from twisted.trial import unittest
  
  
  class ScrapyUtilsTest(unittest.TestCase):
  
      def test_required_openssl_version(self):
          try:
              module = import_module('OpenSSL')
          except ImportError:
              raise unittest.SkipTest("OpenSSL is not available")
  
          if hasattr(module, '__version__'):
              installed_version = [int(x) for x in module.__version__.split('.')[:2]]
              assert installed_version >= [0, 6], "OpenSSL >= 0.6 required"
  
      def test_pinned_twisted_version(self):
          """When running tests within a Tox environment with pinned
          dependencies, make sure that the version of Twisted is the pinned
          version.
  
          See https://github.com/scrapy/scrapy/pull/4814#issuecomment-706230011
          """
          if not os.environ.get('_SCRAPY_PINNED', None):
              self.skipTest('Not in a pinned environment')
  
          tox_config_file_path = os.path.join(
              os.path.dirname(__file__),
              '..',
              'tox.ini',
          )
          config_parser = ConfigParser()
          config_parser.read(tox_config_file_path)
          pattern = r'Twisted==([\d.]+)'
          match = re.search(pattern, config_parser['pinned']['deps'])
          pinned_twisted_version_string = match[1]
  
          self.assertEqual(
              twisted_version.short(),
              pinned_twisted_version_string
          )
  
  
  if __name__ == "__main__":
      unittest.main()
  
new_contents: import os
  import re
  from configparser import ConfigParser
  from importlib import import_module
  
  from twisted import version as twisted_version
  from twisted.trial import unittest
  
  
  class ScrapyUtilsTest(unittest.TestCase):
  
      def test_required_openssl_version(self):
          try:
              module = import_module('OpenSSL')
          except ImportError:
              raise unittest.SkipTest("OpenSSL is not available")
  
          if hasattr(module, '__version__'):
              installed_version = [int(x) for x in module.__version__.split('.')[:2]]
              assert installed_version >= [0, 6], "OpenSSL >= 0.6 required"
  
      def test_pinned_twisted_version(self):
          """When running tests within a Tox environment with pinned
          dependencies, make sure that the version of Twisted is the pinned
          version.
  
          See https://github.com/scrapy/scrapy/pull/4814#issuecomment-706230011
          """
          if not os.environ.get('_SCRAPY_PINNED', None):
              self.skipTest('Not in a pinned environment')
  
          tox_config_file_path = os.path.join(
              os.path.dirname(__file__),
              '..',
              'tox.ini',
          )
          config_parser = ConfigParser()
          config_parser.read(tox_config_file_path)
          pattern = r'Twisted\[http2\]==([\d.]+)'
          match = re.search(pattern, config_parser['pinned']['deps'])
          pinned_twisted_version_string = match[1]
  
          self.assertEqual(
              twisted_version.short(),
              pinned_twisted_version_string
          )
  
  
  if __name__ == "__main__":
      unittest.main()
  
subject: Fix test_pinned_twisted_version