update isort configuration

Author: altendky

setup.cfg

@@ -26,11 +26,10 @@ line_length = 120
 known_first_party = desert
 default_section = THIRDPARTY
 forced_separate = test_desert
-not_skip = __init__.py
 skip = migrations
-known_stdlib=dataclasses
+extra_standard_library=dataclasses typing
 known_third_party=attr,marshmallow,pytest,setuptools,typing_inspect
-ignore =
+extend_skip =
   .flake8
   dev-requirements.in
   dev-requirements.txt

tox.ini

@@ -42,7 +42,7 @@ commands =
     python setup.py check --strict --metadata --restructuredtext
     check-manifest {toxinidir}
     black --check {toxinidir}
-    isort --verbose --check-only --diff --recursive src tests setup.py
+    isort --verbose --check-only --diff src tests setup.py
 
 [testenv:spell]
 setenv =