1 files changed, 4 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 67c69f6..2eb094e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,4 +4,7 @@ envlist = py27,py35,py36,py37,py38,py39,pypy,pypy3
 changedir = {envtmpdir}
 deps=-r{toxinidir}/test-requirements.txt
 commands=
-    nosetests {toxinidir}/tests
+    py.test {toxinidir}/tests
+[pytest]
+python_classes = *Tests
+python_files = *_tests.py