Merge pull request #156 from TotallyNotRobots/pyup-update-pytest-5.4.2-to-5.4.3

Update pytest to 5.4.3

Author: linuxdaemon

travis/requirements.txt

@@ -1,5 +1,5 @@
 freezegun==0.3.15
-pytest==5.4.2
+pytest==5.4.3
 pytest-asyncio==0.12.0
 pytest-cov==2.9.0
 pytest-random-order==1.0.4