Updated files with 'repo_helper'.

Author: domdfcoding

.travis.yml

@@ -10,6 +10,7 @@ python:
   - '3.8'
   - 'pypy3'
   - '3.9'
+  - '3.9-dev'
 
 arch:
   - amd64
@@ -44,6 +45,8 @@ jobs:
       arch: arm64
     - python: '3.9'
       arch: arm64
+    - python: '3.9-dev'
+      arch: arm64
 
   include:
     - stage: test

tox.ini

@@ -19,13 +19,13 @@
 #     * pytest
 
 [tox]
-envlist = py36, py37, py38, pypy3, py39, mypy, build
+envlist = py36, py37, py38, pypy3, py39, py39-dev, mypy, build
 skip_missing_interpreters = True
 requires = pip>=20.2.1
 isolated_build = True
 
 [envlists]
-test = py36, py37, py38, pypy3, py39
+test = py36, py37, py38, pypy3, py39, py39-dev
 qa = mypy, lint
 cov = py36, coverage
 
@@ -36,6 +36,7 @@ python =
     3.8: py38, build
     pypy3: pypy3, build
     3.9: py39, build
+    3.9-dev: py39-dev, build
 
 [gh-actions]
 python =
@@ -44,6 +45,7 @@ python =
     3.8: py38, build
     pypy3: pypy3, build
     3.9: py39, build
+    3.9-dev: py39-dev, build
 
 [testenv]
 setenv =
@@ -69,9 +71,10 @@ commands = sphinx-build -M html . ./build {posargs}
 skip_install = True
 changedir = {toxinidir}
 deps =
-    twine
-    pep517
-    check-wheel-contents
+    twine>=3.2.0
+    pep517>=0.9.1
+    check-wheel-contents>=0.1.0
+    repo_helper
 commands =
     python -m pep517.build --source --binary "{toxinidir}"
     twine check dist/*
@@ -137,8 +140,8 @@ ignore_errors = True
 whitelist_externals = /bin/bash
 changedir = {toxinidir}
 deps =
-    coverage
-    coverage_pyver_pragma
+    coverage>=5
+    coverage_pyver_pragma>=0.0.6
 commands =
     /bin/bash -c "rm -rf htmlcov"
     coverage html