Merge pull request #25 from assem-ch/3.10

3.10

Author: assem-ch

.github/workflows/tests.yml

@@ -30,6 +30,9 @@ jobs:
 
           - python-version: 3.9
             django-version: Django==4.0
+
+          - python-version: "3.10"
+            django-version: Django==4.0
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}

jet/ordered_set.py

@@ -1,7 +1,7 @@
 import collections
 
 
-class OrderedSet(collections.MutableSet):
+class OrderedSet(collections.abc.MutableSet):
     def __init__(self, iterable=None):
         self.end = end = []
         end += [None, end, end]         # sentinel node for doubly linked list