Upgrade crytography to 2.3 in requirements.txt

rayluo · rayluo · commit a8a103d1a70b · 2018-08-13T16:38:03.000-07:00
diff --git a/requirements.txt b/requirements.txt
@@ -3,7 +3,7 @@ PyJWT==1.0.0
 #need 2.x for Python3 support
 python-dateutil==2.1.0
 #1.1.0 is the first that can be installed on windows
-cryptography==1.1.0
+cryptography==2.3.0
 #for testing
 httpretty==0.8.14
 pylint==1.5.4
