From: Raymond Hettinger <rhettinger@users.noreply.github.com>
Date: Sun, 11 Feb 2018 16:00:11 +0000 (-0800)
Subject: Code beautification using f-strings (#5618)
X-Git-Tag: v3.8.0a1~2241
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=136c8e07955392676680c8e29ab96017127b6672;p=python

Code beautification using f-strings (#5618)
---

diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py
index 9a753db71c..3109054e20 100644
--- a/Lib/collections/__init__.py
+++ b/Lib/collections/__init__.py
@@ -933,8 +933,7 @@ class ChainMap(_collections_abc.MutableMapping):
 
     @_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):