Remove PyTest class from setup.py

CONTRIBUTING.rst

@@ -43,11 +43,13 @@ The generated files will be available in the directory ``build/sphinx/html/``.
 .. _Sphinx: http://sphinx-doc.org/
 
 There are no proper tests (yet?), but the code examples from the README file
-can be verified by::
+can be verified with pytest_.
+If you haven't installed it already, you can install it with::
 
-   python3 setup.py test
+   python3 -m pip install pytest ---user
 
-This uses py.test_; if you haven't installed it already, it will be downloaded
-and installed for you.
+As soon as pytest_ is installed, you can run the (rudimentary) tests with::
 
-.. _py.test: http://pytest.org/
+   python3 -m pytest
+
+.. _pytest: https://pytest.org/

setup.py

@@ -1,20 +1,4 @@
-import sys
 from setuptools import setup
-from setuptools.command.test import test as TestCommand
-
-
-class PyTest(TestCommand):
-
-    def finalize_options(self):
-        TestCommand.finalize_options(self)
-        self.test_args = []
-        self.test_suite = True
-
-    def run_tests(self):
-        # import here, cause outside the eggs aren't loaded
-        import pytest
-        errno = pytest.main(self.test_args)
-        sys.exit(errno)
 
 __version__ = 'unknown'
 
@@ -49,7 +33,5 @@ def run_tests(self):
         'Programming Language :: Python :: 3',
         'Topic :: Multimedia :: Sound/Audio',
     ],
-    tests_require=['pytest'],
-    cmdclass={'test': PyTest},
     zip_safe=True,
 )