Update pytest to 5.3.1#742

sliverc merged 2 commits intomasterdjango-json-api/django-rest-framework-json-api:masterfrom

pyup-update-pytest-5.3.0-to-5.3.1django-json-api/django-rest-framework-json-api:pyup-update-pytest-5.3.0-to-5.3.1Copy head branch name to clipboard