Add pytz to dev dependencies

sdispater · sdispater · commit 1c4b58911a82 · 2018-03-19T17:58:20.000-05:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -28,3 +28,4 @@ pytzdata = ">=2018.3"
 [tool.poetry.dev-dependencies]
 pytest = "^3.4"
 pytest-cov = "^2.4"
+pytz = ">=2018.3"
