Update isort from 4.3.18 to 4.3.19 (#627)

pyup-bot · sliverc · commit 727c71ece112 · 2019-05-14T21:44:01.000+02:00
diff --git a/requirements-development.txt b/requirements-development.txt
@@ -6,7 +6,7 @@ factory-boy==2.11.1
 Faker==1.0.7
 flake8==3.7.7
 flake8-isort==2.7.0
-isort==4.3.18
+isort==4.3.19
 mock==3.0.5
 pytest==4.4.2
 pytest-cov==2.7.1
