add 3.8 to pipelines

tox.ini

@@ -2,8 +2,9 @@
 envlist =
     py{38,37,36,35,27,py3,py}
     py38-{simplejson,devel,lowest}
-    docs-html
+    docs
     coverage
+skip_missing_interpreters = true
 
 [testenv]
 passenv = LANG
@@ -14,7 +15,7 @@ deps =
     blinker
     python-dotenv
 
-    lowest: Werkzeug==0.15
+    lowest: Werkzeug==0.15.5
     lowest: Jinja2==2.10
     lowest: itsdangerous==0.24
     lowest: Click==5.1
@@ -39,16 +40,14 @@ commands =
 # courtesy Python nightly test, don't fail the build in CI
 ignore_outcome = true
 commands =
-    pip install -q -e examples/tutorial[test]
-    pip install -q -e examples/javascript[test]
-    coverage run -p -m pytest --tb=short -Werror --junitxml=test-results.xml {posargs:tests examples}
+    coverage run -p -m pytest --tb=short -Werror --junitxml=test-results.xml tests
 
-[testenv:stylecheck]
+[testenv:style]
 deps = pre-commit
 skip_install = true
 commands = pre-commit run --all-files --show-diff-on-failure
 
-[testenv:docs-html]
+[testenv:docs]
 deps =
     -r docs/requirements.txt
 commands = sphinx-build -W -b html -d {envtmpdir}/doctrees docs {envtmpdir}/html