From 3af305e8b8a89f4b0e5874cd601568ab8dcd7334 Mon Sep 17 00:00:00 2001
From: Chris Lamb <chris@chris-lamb.co.uk>
Date: Sun, 19 Nov 2017 09:15:08 +0900
Subject: Fixed #28810 -- Replaced '%' style logging formatting with
 str.format() style.

---
 django/utils/log.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'django/utils')

diff --git a/django/utils/log.py b/django/utils/log.py
index 495b846a62..12b830a794 100644
--- a/django/utils/log.py
+++ b/django/utils/log.py
@@ -27,7 +27,8 @@ DEFAULT_LOGGING = {
     'formatters': {
         'django.server': {
             '()': 'django.utils.log.ServerFormatter',
-            'format': '[%(server_time)s] %(message)s',
+            'format': '[{server_time}] {message}',
+            'style': '{',
         }
     },
     'handlers': {
@@ -190,4 +191,4 @@ class ServerFormatter(logging.Formatter):
         return super().format(record)
 
     def uses_server_time(self):
-        return self._fmt.find('%(server_time)') >= 0
+        return self._fmt.find('{server_time}') >= 0
-- 
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