diff --git a/doc/example/py2py3/conftest.py b/doc/example/py2py3/conftest.py
new file mode 100644
index 000000000..81cd1fb11
--- /dev/null
+++ b/doc/example/py2py3/conftest.py
@@ -0,0 +1,16 @@
+import sys
+import pytest
+
+py3 = sys.version_info[0] >= 3
+
+class DummyCollector(pytest.collect.File):
+    def collect(self):
+        return []
+
+def pytest_pycollect_makemodule(path, parent):
+    bn = path.basename
+    if "py3" in bn and not py3 or ("py2" in bn and py3):
+        return DummyCollector(path, parent=parent)
+
+
+
diff --git a/doc/example/py2py3/test_py2.py b/doc/example/py2py3/test_py2.py
new file mode 100644
index 000000000..a035ec723
--- /dev/null
+++ b/doc/example/py2py3/test_py2.py
@@ -0,0 +1,7 @@
+
+def test_exception_syntax():
+    try:
+        0/0
+    except ZeroDivisionError, e:
+        assert 0, e
+
diff --git a/doc/example/py2py3/test_py2.pyc b/doc/example/py2py3/test_py2.pyc
new file mode 100644
index 000000000..495a2f642
Binary files /dev/null and b/doc/example/py2py3/test_py2.pyc differ
diff --git a/doc/example/py2py3/test_py3.py b/doc/example/py2py3/test_py3.py
new file mode 100644
index 000000000..615b50fbb
--- /dev/null
+++ b/doc/example/py2py3/test_py3.py
@@ -0,0 +1,7 @@
+
+def test_exception_syntax():
+    try:
+        0/0
+    except ZeroDivisionError as e:
+        assert 0, e
+