Consistency check for versionadded/changed directives.
diff --git a/Doc/library/zipfile.rst b/Doc/library/zipfile.rst
index edf5185..09dd571 100644
--- a/Doc/library/zipfile.rst
+++ b/Doc/library/zipfile.rst
@@ -66,6 +66,7 @@
    .. versionchanged:: 3.1
       Support for file and file-like objects.
 
+
 .. data:: ZIP_STORED
 
    The numeric constant for an uncompressed archive member.