Update pytest from 3.1.2 to 3.1.3 (#104)

pyup.io bot · asvetlov · commit 7476da05a3f6 · 2017-07-08T09:08:26.000+03:00
diff --git a/requirements-wheel.txt b/requirements-wheel.txt
@@ -1,3 +1,3 @@
 cython==0.25.2
-pytest==3.1.2
+pytest==3.1.3
 
