fixup! Remove dependency on pytest-runner

setup.py

@@ -18,8 +18,6 @@
 #  Authors:
 #        Tristan Van Berkom <tristan.vanberkom@codethink.co.uk>
 
-from distutils import log
-from distutils.errors import DistutilsError
 import os
 import re
 import shutil
@@ -257,8 +255,7 @@ class PyTest(TestCommand):
         errno = pytest.main(shlex.split(self.addopts))
 
         if errno:
-            self.announce('Tests failed', log.ERROR)
-            raise DistutilsError('Tests failed')
+            raise SystemExit(errno)
 
 
 def get_cmdclass():