--- premailer/tests/test_premailer.py.orig	2023-04-11 08:05:07.294932647 +0000

+++ premailer/tests/test_premailer.py	2023-04-11 08:13:03.449431488 +0000

@@ -7,11 +7,11 @@ from contextlib import contextmanager

 from io import StringIO

 import tempfile

+import pytest

 from lxml.etree import XMLSyntaxError, fromstring

 from requests.exceptions import HTTPError

-import mock

+from unittest import mock

 import premailer.premailer  # lint:ok

-from nose.tools import assert_raises, eq_, ok_

 from premailer.__main__ import main

 from premailer.premailer import (

     ExternalNotFoundError,

@@ -23,6 +23,30 @@ from premailer.premailer import (

 )

+def ok_(expr, msg=None):

+    """

+    Shorthand for assert.

+    Copied from Nose.

+    """

+    if not expr:

+        raise AssertionError(msg)

+

+

+def eq_(a, b, msg=None):

+    """

+    Shorthand for 'assert a == b, "%r != %r" % (a, b).

+    Copied from Nose.

+    """

+    if not a == b:

+        raise AssertionError(msg or "%r != %r" % (a, b))

+

+

+def assert_raises(exc_class, func, *args):

+    """Compatibility with Nose API for pytest."""

+    with pytest.raises(exc_class):

+        func(*args)

+

+

 whitespace_between_tags = re.compile(r">\s*<")

--- setup.py.orig	2023-04-11 08:05:07.294932647 +0000

+++ setup.py	2023-04-11 08:14:14.122054543 +0000

@@ -20,7 +20,7 @@ def find_version(*file_paths):

 install_requires = ["lxml", "cssselect", "cssutils", "requests", "cachetools"]

-tests_require = ["nose", "mock"]

+tests_require = ["pytest", "pytest-cov"]

 setup(

     name="premailer",

--- tox.ini.orig	2023-04-11 08:05:07.294932647 +0000

+++ tox.ini	2023-04-11 08:16:50.148205770 +0000

@@ -6,6 +6,8 @@ envlist =

     py37,

     py38,

     py39,

+    py310,

+    py311,

     pypy3,

 [gh-actions]

@@ -24,7 +26,7 @@ install_command =

 extras =

     test

 commands =

-    nosetests --with-coverage --cover-package=premailer

+    pytest --cov=premailer

 [testenv:lint-py39]

 extras = dev