# HG changeset patch
# User Matt Harbison <matt_harbison@yahoo.com>
# Date 2021-04-13 03:31:54
# Node ID 9c3e8456907178b2160e180e0a07b49292bc91c1
# Parent  b5e8bf10436e24a111ec48a7a28edddf43fa12d6

re2: adjust local variable assignment scope

Pytype flagged the exception handler where these are used as `[name-error]`, and
PyCharm complained they may be used before assignment.

Differential Revision: https://phab.mercurial-scm.org/D10376

diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -2189,10 +2189,11 @@ class _re(object):
     def _checkre2(self):
         global _re2
         global _re2_input
+
+        check_pattern = br'\[([^\[]+)\]'
+        check_input = b'[ui]'
         try:
             # check if match works, see issue3964
-            check_pattern = br'\[([^\[]+)\]'
-            check_input = b'[ui]'
             _re2 = bool(re2.match(check_pattern, check_input))
         except ImportError:
             _re2 = False