<NME> tox.ini
<BEF> [tox]
envlist=flake8,py36,py37,py38,py39,py310pypy3,docs
skip_missing_interpreters=True

[gh-actions]
python =
    3.6: py36
    3.7: py37
    3.8: py38
    3.9: py39
    3.10: py310
    pypy-3: pypy3

[testenv]
commands=
    flake8 --exclude=".*" --ignore=E402 flask_httpauth.py tests

[testenv:py27]
basepython=python2.7
deps=
commands=
    flake8 --exclude=".*" --ignore=E402 src/flask_httpauth.py tests examples

[testenv:docs]
changedir=docs
deps=
    sphinx
whitelist_externals=
    make
commands=
    make html

<MSG> switch travis build to use tox

<DFF> @@ -15,6 +15,11 @@ deps=
 commands=
     flake8 --exclude=".*" --ignore=E402 flask_httpauth.py tests
 
+[testenv:py26]
+basepython=python2.6
+deps=
+    coverage
+
 [testenv:py27]
 basepython=python2.7
 deps=

switch travis build to use tox