commit d737907354c1cd53c48385541ad0303238a671c4
author Kirill Simonov <xi@resolvent.net> Thu Aug 25 15:55:09 2016 -0500
committer Kirill Simonov <xi@resolvent.net> Thu Aug 25 15:55:09 2016 -0500
tree 78e74555e7d565c8c2377047ec622adf78b94553
parent 7eeba3446777bc887f9437f5d0581591b3045970

Fixed comparison to None warning (closes issue #64).

lib/yaml/representer.py

diff --git a/lib/yaml/representer.py b/lib/yaml/representer.py
index 5f4fc70..1e9fa30 100644
--- a/lib/yaml/representer.py
+++ b/lib/yaml/representer.py
@@ -139,7 +139,7 @@
 class SafeRepresenter(BaseRepresenter):
 
     def ignore_aliases(self, data):
-        if data in [None, ()]:
+        if data is None or data is ():
             return True
         if isinstance(data, (str, unicode, bool, int, float)):
             return True

lib3/yaml/representer.py

diff --git a/lib3/yaml/representer.py b/lib3/yaml/representer.py
index 67cd6fd..33ce9e8 100644
--- a/lib3/yaml/representer.py
+++ b/lib3/yaml/representer.py
@@ -132,7 +132,7 @@
 class SafeRepresenter(BaseRepresenter):
 
     def ignore_aliases(self, data):
-        if data in [None, ()]:
+        if data is None or data is ():
             return True
         if isinstance(data, (str, bytes, bool, int, float)):
             return True