# HG changeset patch
# User Matt Harbison <matt_harbison@yahoo.com>
# Date 1671218109 18000
# Node ID 54114bba7c7eac695f0b4de54f0704d1cfef0912
# Parent  58dff81ffba126eb20939de74afed19e59122877
tests: drop some obsolete py2 handling in util.py doctest

Flagged by PyCharm while inspecting imports from the platform modules.

diff -r 58dff81ffba1 -r 54114bba7c7e mercurial/util.py
--- a/mercurial/util.py	Fri Dec 16 00:54:39 2022 -0500
+++ b/mercurial/util.py	Fri Dec 16 14:15:09 2022 -0500
@@ -3213,10 +3213,7 @@
 
     The passed argument is anything that has a ``.read(N)`` method.
 
-    >>> try:
-    ...     from StringIO import StringIO as BytesIO
-    ... except ImportError:
-    ...     from io import BytesIO
+    >>> from io import BytesIO
     >>> uvarintdecodestream(BytesIO(b'\\x00'))
     0
     >>> uvarintdecodestream(BytesIO(b'\\x01'))