Remove 3.1 from versionchanged
diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index 5bdc5a1..f789601 100644
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -574,7 +574,7 @@
>>> re.split("(?m)^$", "foo\n\nbar\n")
['foo\n\nbar\n']
- .. versionchanged:: 2.7,3.1
+ .. versionchanged:: 2.7
Added the optional flags argument.
@@ -652,7 +652,7 @@
character ``'0'``. The backreference ``\g<0>`` substitutes in the entire
substring matched by the RE.
- .. versionchanged:: 2.7,3.1
+ .. versionchanged:: 2.7
Added the optional flags argument.
@@ -661,7 +661,7 @@
Perform the same operation as :func:`sub`, but return a tuple ``(new_string,
number_of_subs_made)``.
- .. versionchanged:: 2.7,3.1
+ .. versionchanged:: 2.7
Added the optional flags argument.