switch to collections.OrderedDict

googlecharts/templatetags/charts.py

@@ -2,11 +2,12 @@
 import inspect
 import colorsys
 
+from collections import SortedDict
+
 from itertools import chain
 
 from django import template
 from django.conf import settings
-from django.utils.datastructures import SortedDict
 from django.utils.encoding import smart_str
 from django.utils.html import escape
 from django.utils.safestring import mark_safe, SafeData
@@ -948,4 +949,4 @@ def flatten(iterator):
             for j in flatten(iter(i)):
                 yield j
         else:
-            yield i
+            yield i