Bump pytest from 4.6.1 to 4.6.2

Bumps [pytest](https://github.com/pytest-dev/pytest) from 4.6.1 to 4.6.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@4.6.1...4.6.2)

pyproject.lock

@@ -345,7 +345,7 @@ description = "pytest: simple powerful testing with Python"
 name = "pytest"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "4.6.1"
+version = "4.6.2"
 
 [package.dependencies]
 atomicwrites = ">=1.0"
@@ -487,7 +487,7 @@ pycodestyle = ["95a2219d12372f05704562a14ec30bc76b05a5b297b21a5dfe3f6fac3491ae56
 pydocstyle = ["2258f9b0df68b97bf3a6c29003edc5238ff8879f1efb6f1999988d934e432bd8", "5741c85e408f9e0ddf873611085e819b809fca90b619f5fd7f34bd4959da3dd4", "ed79d4ec5e92655eccc21eb0c6cf512e69512b4a97d215ace46d17e4990f2039"]
 pyflakes = ["5e8c00e30c464c99e0b501dc160b13a14af7f27d4dffb529c556e30a159e231d", "f277f9ca3e55de669fba45b7393a1449009cff5a37d1af10ebb76c52765269cd"]
 pyparsing = ["1873c03321fc118f4e9746baf201ff990ceb915f433f23b395f5580d1840cb2a", "9b6323ef4ab914af344ba97510e966d64ba91055d6b9afa6b30799340e89cc03"]
-pytest = ["8304c2f6466cf48f24631263d60320a1996668acfd659d8fa5e5e8f28129e1cd", "b68d84c7c01073ddf2a918a7504ab73849d52483d9f1f15f3875487011d09f71"]
+pytest = ["6032845e68a17a96e8da3088037f899b56357769a724122056265ca2ea1890ee", "bea27a646a3d74cbbcf8d3d4a06b2dfc336baf3dc2cc85cf70ad0157e73e8322"]
 pytest-cov = ["2b097cde81a302e1047331b48cadacf23577e431b61e9c6f49a1170bbe3d3da6", "e00ea4fdde970725482f1f35630d12f074e121a23801aabf2ae154ec6bdd343a"]
 pytest-flake8 = ["4d225c13e787471502ff94409dcf6f7927049b2ec251c63b764a4b17447b60c0", "d7e2b6b274a255b7ae35e9224c85294b471a83b76ecb6bd53c337ae977a499af"]
 pytest-isort = ["3be60e0de277b420ff89303ca6494320c41f7819ffa898756b90ef976e4c636a", "4bfee60dad1870b51700d55a85f5ceda766bd9d3d2878c1bbabee80e61b1be1a"]