NOT_GIVEN should not be a dict (#49)

Thomas Smith · FichteFoll · commit cc68a7d1e03b · 2018-11-09T19:17:28.000+01:00
diff --git a/st3/sublime_lib/settings_dict.py b/st3/sublime_lib/settings_dict.py
@@ -22,7 +22,7 @@ def ismapping(obj):
     return isinstance(obj, Mapping)
 
 
-NOT_GIVEN = {}
+NOT_GIVEN = object()
 
 
 class SettingsDict():
