Fix version number.

According to https://www.python.org/dev/peps/pep-0440/#pre-releases there should be no dot before the `a`. (Whereas `dev` needs a dot.) Version numbers which do not conform to PEP-440 are understood as older than 0.0.
zopefoundation · Aug 29, 2016 · 23c5ab6 · 23c5ab6
1 parent 2962b4a
commit 23c5ab6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/setup.py b/setup.py
@@ -39,7 +39,7 @@
       ],
       install_requires=[
           'setuptools',
-          'Products.ZCatalog >= 4.0.a2',
+          'Products.ZCatalog >= 4.0a2',
       ],
       include_package_data=True,
       zip_safe=False,