old_contents: import unittest
  
  from scrapy.link import Link
  
  
  class LinkTest(unittest.TestCase):
  
      def _assert_same_links(self, link1, link2):
          self.assertEqual(link1, link2)
          self.assertEqual(hash(link1), hash(link2))
  
      def _assert_different_links(self, link1, link2):
          self.assertNotEqual(link1, link2)
          self.assertNotEqual(hash(link1), hash(link2))
  
      def test_eq_and_hash(self):
          l1 = Link("http://www.example.com")
          l2 = Link("http://www.example.com/other")
          l3 = Link("http://www.example.com")
  
          self._assert_same_links(l1, l1)
          self._assert_different_links(l1, l2)
          self._assert_same_links(l1, l3)
  
          l4 = Link("http://www.example.com", text="test")
          l5 = Link("http://www.example.com", text="test2")
          l6 = Link("http://www.example.com", text="test")
  
          self._assert_same_links(l4, l4)
          self._assert_different_links(l4, l5)
          self._assert_same_links(l4, l6)
  
          l7 = Link("http://www.example.com", text="test", fragment='something', nofollow=False)
          l8 = Link("http://www.example.com", text="test", fragment='something', nofollow=False)
          l9 = Link("http://www.example.com", text="test", fragment='something', nofollow=True)
          l10 = Link("http://www.example.com", text="test", fragment='other', nofollow=False)
          self._assert_same_links(l7, l8)
          self._assert_different_links(l7, l9)
          self._assert_different_links(l7, l10)
  
      def test_repr(self):
          l1 = Link("http://www.example.com", text="test", fragment='something', nofollow=True)
          l2 = eval(repr(l1))
          self._assert_same_links(l1, l2)
  
      def test_non_str_url_py2(self):
          with self.assertRaises(TypeError):
              Link(b"http://www.example.com/\xc2\xa3")
  
new_contents: import unittest
  
  from scrapy.link import Link
  
  
  class LinkTest(unittest.TestCase):
  
      def _assert_same_links(self, link1, link2):
          self.assertEqual(link1, link2)
          self.assertEqual(hash(link1), hash(link2))
  
      def _assert_different_links(self, link1, link2):
          self.assertNotEqual(link1, link2)
          self.assertNotEqual(hash(link1), hash(link2))
  
      def test_eq_and_hash(self):
          l1 = Link("http://www.example.com")
          l2 = Link("http://www.example.com/other")
          l3 = Link("http://www.example.com")
  
          self._assert_same_links(l1, l1)
          self._assert_different_links(l1, l2)
          self._assert_same_links(l1, l3)
  
          l4 = Link("http://www.example.com", text="test")
          l5 = Link("http://www.example.com", text="test2")
          l6 = Link("http://www.example.com", text="test")
  
          self._assert_same_links(l4, l4)
          self._assert_different_links(l4, l5)
          self._assert_same_links(l4, l6)
  
          l7 = Link("http://www.example.com", text="test", fragment='something', nofollow=False)
          l8 = Link("http://www.example.com", text="test", fragment='something', nofollow=False)
          l9 = Link("http://www.example.com", text="test", fragment='something', nofollow=True)
          l10 = Link("http://www.example.com", text="test", fragment='other', nofollow=False)
          self._assert_same_links(l7, l8)
          self._assert_different_links(l7, l9)
          self._assert_different_links(l7, l10)
  
      def test_repr(self):
          l1 = Link("http://www.example.com", text="test", fragment='something', nofollow=True)
          l2 = eval(repr(l1))
          self._assert_same_links(l1, l2)
  
      def test_bytes_url(self):
          with self.assertRaises(TypeError):
              Link(b"http://www.example.com/\xc2\xa3")
  
subject: Rename test_non_str_url_py2 to test_bytes_url.