fstring: improved formatting

rhodecode/apps/debug_style/__init__.py

@@ -1,81 +1,81 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2016-2020 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 from rhodecode.apps._base import ADMIN_PREFIX
 from rhodecode.lib.utils2 import str2bool
 
 
 class DebugStylePredicate(object):
     def __init__(self, val, config):
         self.val = val
 
     def text(self):
-        return 'debug style route = %s' % self.val
+        return f'debug style route = {self.val}'
 
     phash = text
 
     def __call__(self, info, request):
         return str2bool(request.registry.settings.get('debug_style'))
 
 
 def includeme(config):
     from rhodecode.apps.debug_style.views import DebugStyleView
 
     config.add_route_predicate(
         'debug_style', DebugStylePredicate)
 
     config.add_route(
         name='debug_style_home',
         pattern=ADMIN_PREFIX + '/debug_style',
         debug_style=True)
     config.add_view(
         DebugStyleView,
         attr='index',
         route_name='debug_style_home', request_method='GET',
         renderer=None)
 
     config.add_route(
         name='debug_style_email',
         pattern=ADMIN_PREFIX + '/debug_style/email/{email_id}',
         debug_style=True)
     config.add_view(
         DebugStyleView,
         attr='render_email',
         route_name='debug_style_email', request_method='GET',
         renderer=None)
 
     config.add_route(
         name='debug_style_email_plain_rendered',
         pattern=ADMIN_PREFIX + '/debug_style/email-rendered/{email_id}',
         debug_style=True)
     config.add_view(
         DebugStyleView,
         attr='render_email',
         route_name='debug_style_email_plain_rendered', request_method='GET',
         renderer=None)
 
     config.add_route(
         name='debug_style_template',
         pattern=ADMIN_PREFIX + '/debug_style/t/{t_path}',
         debug_style=True)
     config.add_view(
         DebugStyleView,
         attr='template',
         route_name='debug_style_template', request_method='GET',
         renderer=None)