Merge pull request #20 from adamboche/isort

Add isort

ci/appveyor-bootstrap.py

@@ -5,10 +5,12 @@
 with various fixes and improvements that just weren't feasible to implement in PowerShell.
 """
 from __future__ import print_function
+
 from os import environ
 from os.path import exists
 from subprocess import check_call
 
+
 try:
     from urllib.request import urlretrieve
 except ImportError:

ci/bootstrap.py

@@ -1,6 +1,8 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-from __future__ import absolute_import, print_function, unicode_literals
+from __future__ import absolute_import
+from __future__ import print_function
+from __future__ import unicode_literals
 
 import os
 import sys

pyproject.toml

@@ -29,3 +29,12 @@
         directory = "change"
         name = "Changes"
         showcontent = true
+
+
+[tool.isort]
+
+force_single_line=true
+lines_after_imports=2
+
+not_skip="__init__.py"
+known_first_party="marshmallow_union"