Fix deprecations (#316)

* [fix] DeprecationWarning for import Mapping , Iterable from collections lib in files : jws.py , jwt.py

* fmt

---------

Co-authored-by: RaoufJabriSamsaIT <[email protected]>

Author: asherf

jose/jws.py

@@ -1,6 +1,10 @@
 import binascii
 import json
-from collections.abc import Iterable, Mapping
+
+try:
+    from collections.abc import Iterable, Mapping
+except ImportError:
+    from collections import Mapping, Iterable
 
 from jose import jwk
 from jose.backends.base import Key

jose/jwt.py

@@ -1,6 +1,10 @@
 import json
 from calendar import timegm
-from collections.abc import Mapping
+
+try:
+    from collections.abc import Mapping
+except ImportError:
+    from collections import Mapping
 from datetime import datetime, timedelta
 
 from jose import jws