all together now?

Author: abathur

flask_jwt_extended/config.py

@@ -1,7 +1,6 @@
 import datetime
 from warnings import warn
-from six import reraise
-import sys
+from six import raise_from
 
 # In Python 2.7 collections.abc is a part of the collections module.
 try:
@@ -197,8 +196,7 @@ def access_expires(self):
                 err = (
                     "must be able to add JWT_ACCESS_TOKEN_EXPIRES to datetime.datetime"
                 )
-                traceback = sys.exc_info()[2]
-                reraise(RuntimeError, err, traceback)
+                raise_from(RuntimeError(err), e)
         return delta
 
     @property
@@ -213,8 +211,7 @@ def refresh_expires(self):
                 err = (
                     "must be able to add JWT_REFRESH_TOKEN_EXPIRES to datetime.datetime"
                 )
-                traceback = sys.exc_info()[2]
-                reraise(RuntimeError, err, traceback)
+                raise_from(RuntimeError(err), e)
         return delta
 
     @property