Do not mention the alpha dev release in the change log.

Michael Howitz · Michael Howitz · commit 7f705eb866a1 · 2021-10-28T08:17:42.000+02:00
diff --git a/CHANGES.rst b/CHANGES.rst
@@ -1,8 +1,8 @@
 Changes
 =======
 
-5.2a1.dev0 (2021-10-28)
------------------------
+5.2 (unreleased)
+----------------
 
 - Document that ``__name__`` is needed to define classes.
 
diff --git a/setup.py b/setup.py
@@ -32,7 +32,7 @@ def read(*rnames):
 
 setup(
     name='RestrictedPython',
-    version='5.2a1.dev0',
+    version='5.2.dev0',
     url='https://github.com/zopefoundation/RestrictedPython',
     license='ZPL 2.1',
     description=(
