old_contents: import pytest
  
  from mbedtls import version
  
  
  def test_version_info():
      assert len(version.version_info) == 3
      assert version.version_info >= (2, 7, 9)
  
  
  def test_version():
      assert version.version == "mbed TLS %i.%i.%i" % version.version_info
  
  
  @pytest.mark.parametrize("feature", ["i do not exist"])
  def test_feature_false(feature):
      assert version.has_feature(feature) is False
  
  
  @pytest.mark.parametrize(
      "feature",
      [
          "md5",
          "md5_c",
          "mbedtls_md5",
          "mbedtls_md5_c",
          "MD5",
          "MD5_C",
          "MBEDTLS_MD5",
          "MBEDTLS_MD5_C",
      ],
  )
  def test_feature_true(feature):
      assert version.has_feature(feature) is True
  
new_contents: import pytest
  
  from mbedtls import version
  
  
  def test_version_info() -> None:
      assert len(version.version_info) == 3
      assert version.version_info >= (2, 7, 9)
  
  
  def test_version() -> None:
      assert version.version == "mbed TLS %i.%i.%i" % version.version_info
  
  
  @pytest.mark.parametrize("feature", ["i do not exist"])
  def test_feature_false(feature: str) -> None:
      assert version.has_feature(feature) is False
  
  
  @pytest.mark.parametrize(
      "feature",
      [
          "md5",
          "md5_c",
          "mbedtls_md5",
          "mbedtls_md5_c",
          "MD5",
          "MD5_C",
          "MBEDTLS_MD5",
          "MBEDTLS_MD5_C",
      ],
  )
  def test_feature_true(feature: str) -> None:
      assert version.has_feature(feature) is True
  
subject: Add type annotations