diff -Naur wee8/third_party/jinja2/runtime.py wee8/third_party/jinja2/runtime.py
--- wee8/third_party/jinja2/runtime.py	1969-12-31 19:00:00.000000000 -0500
+++ wee8/third_party/jinja2/runtime.py	2022-01-11 23:12:21.255314274 -0500
@@ -315,7 +315,7 @@

 # register the context as mapping if possible
 try:
-    from collections import Mapping
+    from collections.abc import Mapping
     Mapping.register(Context)
 except ImportError:
     pass
diff -Naur wee8/third_party/jinja2/sandbox.py wee8/third_party/jinja2/sandbox.py
--- wee8/third_party/jinja2/sandbox.py	1969-12-31 19:00:00.000000000 -0500
+++ wee8/third_party/jinja2/sandbox.py	2022-01-11 23:12:17.075247170 -0500
@@ -14,7 +14,7 @@
 """
 import types
 import operator
-from collections import Mapping
+from collections.abc import Mapping
 from jinja2.environment import Environment
 from jinja2.exceptions import SecurityError
 from jinja2._compat import string_types, PY2
diff -Naur wee8/third_party/jinja2/tests.py wee8/third_party/jinja2/tests.py
--- wee8/third_party/jinja2/tests.py	1969-12-31 19:00:00.000000000 -0500
+++ wee8/third_party/jinja2/tests.py	2022-01-11 23:12:13.205185090 -0500
@@ -10,7 +10,7 @@
 """
 import operator
 import re
-from collections import Mapping
+from collections.abc import Mapping
 from jinja2.runtime import Undefined
 from jinja2._compat import text_type, string_types, integer_types
 import decimal
diff -Naur wee8/third_party/jinja2/utils.py wee8/third_party/jinja2/utils.py
--- wee8/third_party/jinja2/utils.py	1969-12-31 19:00:00.000000000 -0500
+++ wee8/third_party/jinja2/utils.py	2022-01-11 23:12:45.035696828 -0500
@@ -482,7 +482,7 @@

 # register the LRU cache as mutable mapping if possible
 try:
-    from collections import MutableMapping
+    from collections.abc import MutableMapping
     MutableMapping.register(LRUCache)
 except ImportError:
     pass