From 5eef82944e15ae3360b0601ff956982678ba4f51 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <raymond.hettinger@gmail.com>
Date: Sun, 11 Feb 2018 02:26:12 -0800
Subject: [PATCH] Code beautification using f-strings

---
 Lib/collections/__init__.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py
index 9a753db71caeae..3109054e20c148 100644
--- a/Lib/collections/__init__.py
+++ b/Lib/collections/__init__.py
@@ -933,8 +933,7 @@ def __bool__(self):
 
     @_recursive_repr()
     def __repr__(self):
-        return '{0.__class__.__name__}({1})'.format(
-            self, ', '.join(map(repr, self.maps)))
+        return f'{self.__class__.__name__}({", ".join(map(repr, self.maps))})'
 
     @classmethod
     def fromkeys(cls, iterable, *args):