# HG changeset patch
# User Franz Glasner <fzglas.hg@dom66.de>
# Date 1594071484 -7200
# Node ID 13283057a21e3b0b5a5efb3811c5c4b93f53a8b0
# Parent  6b5564e128a0fbc6d0ec2414140882fbafc7a8de
Do not use ".format()" but string concatenation or (when conversion to Unicode is needed) the faster %s method

diff -r 6b5564e128a0 -r 13283057a21e configmix/config.py
--- a/configmix/config.py	Thu May 21 09:57:18 2020 +0200
+++ b/configmix/config.py	Mon Jul 06 23:38:04 2020 +0200
@@ -218,8 +218,8 @@
                 raise
             if varvalue is None:
                 varvalue = u("")
-            replaced = u(b"{0}{1}").format(s[:start], varvalue)
-            s = u(b"{0}{1}").format(replaced, s[end+2:])
+            replaced = u("%s%s") % (s[:start], varvalue)
+            s = replaced + s[end+2:]
             # don't re-evaluate because `self.getvar_s()` expands already
             start = s.find(self._STARTTOK, len(replaced))
         return s