Treat dicts as ordered from Python 3.6

takluyver · takluyver · commit febe9ec4f633 · 2017-12-21T13:44:48.000Z
diff --git a/IPython/lib/pretty.py b/IPython/lib/pretty.py
@@ -95,7 +95,9 @@ def _repr_pretty_(self, p, cycle):
 
 
 MAX_SEQ_LENGTH = 1000
-DICT_IS_ORDERED = sys.version_info >= (3, 7)
+# The language spec says that dicts preserve order from 3.7, but CPython
+# does so from 3.6, so it seems likely that people will expect that.
+DICT_IS_ORDERED = sys.version_info >= (3, 6)
 _re_pattern_type = type(re.compile(''))
 
 def _safe_getattr(obj, attr, default=None):
