From: Slam <3lnc.slam@gmail.com>
Date: Tue, 2 Apr 2019 21:47:41 +0000 (+0300)
Subject: Have UserDict.__init__() implicitly check for updating w/ bool(kwargs) instead of... 
X-Git-Tag: v3.8.0a4~268
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=76b387bf7402863c5e64e3459e2f91ddc3b9d2d3;p=thirdparty%2FPython%2Fcpython.git

Have UserDict.__init__() implicitly check for updating w/ bool(kwargs) instead of len() (GH-12139)



Semantically the same, but more idiomatic by checking against `kwargs` instead of `len(kwargs)`.
---

diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py
index cff75a48d627..9657c1cf83bc 100644
--- a/Lib/collections/__init__.py
+++ b/Lib/collections/__init__.py
@@ -1016,7 +1016,7 @@ class UserDict(_collections_abc.MutableMapping):
         self.data = {}
         if dict is not None:
             self.update(dict)
-        if len(kwargs):
+        if kwargs:
             self.update(kwargs)
     def __len__(self): return len(self.data)
     def __getitem__(self, key):