diff --git a/_pytest/__init__.py b/_pytest/__init__.py
index bdac841d7..2c503ccd2 100644
--- a/_pytest/__init__.py
+++ b/_pytest/__init__.py
@@ -1,2 +1,2 @@
 #
-__version__ = '2.3.3.dev1'
+__version__ = '2.3.3.dev2'
diff --git a/_pytest/assertion/rewrite.py b/_pytest/assertion/rewrite.py
index f6f67609f..990dd425e 100644
--- a/_pytest/assertion/rewrite.py
+++ b/_pytest/assertion/rewrite.py
@@ -34,7 +34,7 @@ else:
     PYTEST_TAG = "%s-%s%s-PYTEST" % (impl, ver[0], ver[1])
     del ver, impl
 
-PYC_EXT = ".py" + ("c" if __debug__ else "o")
+PYC_EXT = ".py" + (__debug__ and "c" or "o")
 PYC_TAIL = "." + PYTEST_TAG + PYC_EXT
 
 REWRITE_NEWLINES = sys.version_info[:2] != (2, 7) and sys.version_info < (3, 2)
diff --git a/setup.py b/setup.py
index b127ed045..9962b16ac 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@ def main():
         name='pytest',
         description='py.test: simple powerful testing with Python',
         long_description = long_description,
-        version='2.3.3.dev1',
+        version='2.3.3.dev2',
         url='http://pytest.org',
         license='MIT license',
         platforms=['unix', 'linux', 'osx', 'cygwin', 'win32'],