- run isort and black from pytest

- use python 3.8 for quality checks
- run black in quality env

Author: jschlyter

.travis.yml

@@ -13,12 +13,9 @@ addons:
 install:
   - pip install codecov
   - pip install tox tox-travis
-  - pip install isort black
 script:
   - codecov --version
   - tox
-  - isort --check src tests
-  - black --check src tests
 after_success:
   - codecov
 notifications:

tox.ini

@@ -4,7 +4,7 @@ envlist = py{36,37,38},quality
 [testenv]
 passenv = CI TRAVIS TRAVIS_*
 commands =
-    py.test --cov=cryptojwt tests/ {posargs}
+    py.test --cov=cryptojwt --isort --black tests/ {posargs}
     codecov
 extras = testing
 deps =
@@ -22,10 +22,10 @@ addopts = --color=yes
 markers = network
 
 [testenv:quality]
-# Black need python 3.6
-basepython = python3.6
+basepython = python3.8
 ignore_errors = True
 deps = twine
 extras = quality
 commands =
-    isort --recursive --diff --check-only src/ tests/
+    isort --check --diff src tests
+    black --check src tests