add changelog entry about unittest change, bump version

1 files changed, 1 insertions, 1 deletions

diff --git a/pytest.py b/pytest.py
index 03658acb2..eb8e4b37d 100644
--- a/pytest.py
+++ b/pytest.py
@@ -1,7 +1,7 @@
 """
 unit and functional testing with Python.
 """
-__version__ = '2.0.2.dev3'
+__version__ = '2.0.2.dev4'
 __all__ = ['main']
 
 from _pytest.core import main, UsageError, _preloadplugins