Update cryptography from 2.1.2 to 2.1.3

pyup-bot · pythad · commit 475f247c1e1f · 2017-11-03T15:19:35.000+02:00
diff --git a/requirements/dev.txt b/requirements/dev.txt
@@ -8,5 +8,5 @@ flake8==3.5.0
 tox==2.9.1
 coverage==4.4.1
 Sphinx==1.6.5
-cryptography==2.1.2
+cryptography==2.1.3
 PyYAML==3.12
