deps: update pytest from 4.3.0 to 4.3.1

Update pytest from 4.3.0 to 4.3.1 (#31)
2019-03-13 09:35:42 +02:00 · 2019-03-13 09:35:42 +02:00 · be8e15966a
--- a/requirements.txt
+++ b/requirements.txt
@ -1,4 +1,4 @@
 mock==2.0.0
 pylint==1.9.3
-pytest==4.3.0
+pytest==4.3.1
 snapshottest==0.5.0