Bump pytest from 5.2.2 to 5.3.0

Bumps [pytest](https://github.com/pytest-dev/pytest) from 5.2.2 to 5.3.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/5.3.0/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/5.2.2...5.3.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Pipfile

@@ -21,4 +21,4 @@ lxml = "==4.4.1"
 flake8 = "==3.7.9"
 mypy = "==0.740"
 mypy-extensions = "==0.4.3"
-pytest = "==5.2.2"
+pytest = "==5.3.0"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "1c24d3875d95b22bb1c978f458d69bf3cd9372e522307c1a1a0f7d16ee11c775"
+            "sha256": "2d8e64fcaaff811364c620a10365825375106bbcc1092301fa53ce2d569d25e2"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -330,13 +330,6 @@
         }
     },
     "develop": {
-        "atomicwrites": {
-            "hashes": [
-                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
-                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
-            ],
-            "version": "==1.3.0"
-        },
         "attrs": {
             "hashes": [
                 "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
@@ -453,11 +446,11 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:27abc3fef618a01bebb1f0d6d303d2816a99aa87a5968ebc32fe971be91eb1e6",
-                "sha256:58cee9e09242937e136dbb3dab466116ba20d6b7828c7620f23947f37eb4dae4"
+                "sha256:1897d74f60a5d8be02e06d708b41bf2445da2ee777066bd68edf14474fc201eb",
+                "sha256:f6a567e20c04259d41adce9a360bd8991e6aa29dd9695c5e6bd25a9779272673"
             ],
             "index": "pypi",
-            "version": "==5.2.2"
+            "version": "==5.3.0"
         },
         "six": {
             "hashes": [