Support Python 3.7 (#375)

* Import collection ABC's from correct module
   They were moved into collections.abc in 3.3 and will be deprecated
   from collections in 3.8.

1 files changed, 5 insertions, 1 deletions

diff --git a/jwt/api_jwt.py b/jwt/api_jwt.py
index 6caeecf..0836ec0 100644
--- a/jwt/api_jwt.py
+++ b/jwt/api_jwt.py
@@ -1,9 +1,13 @@
 import json
 import warnings
 from calendar import timegm
-from collections import Iterable, Mapping
 from datetime import datetime, timedelta
 try:
+    # Importing ABCs from collections will be removed in PY3.8
+    from collections.abc import Iterable, Mapping
+except ImportError:
+    from collections import Iterable, Mapping
+try:
     # import required by mypy to perform type checking, not used for normal execution
     from typing import Callable, Dict, List, Optional, Union # NOQA
 except ImportError: