diff --git a/extra/setup-py.test/setup.py b/extra/setup-py.test/setup.py
new file mode 100644
index 000000000..d0560ce1f
--- /dev/null
+++ b/extra/setup-py.test/setup.py
@@ -0,0 +1,11 @@
+import sys
+from distutils.core import setup
+
+if __name__ == "__main__":
+    if "sdist" not in sys.argv[1:]:
+        raise ValueError("please use 'pytest' pypi package instead of 'py.test'")
+    setup(
+        name="py.test",
+        version="0.0",
+        description="please use 'pytest' for installation",
+    )