move from Azure to Travis

azure-pipelines.yml

@@ -0,0 +1,44 @@
+name: $(BuildDefinitionName)_$(Date:yyyyMMdd)$(Rev:.rr)
+resources:
+  repositories:
+  - repository: tox
+    type: github
+    endpoint: github
+    name: tox-dev/azure-pipelines-template
+    ref: refs/tags/0.2
+
+trigger:
+  batch: true
+  branches:
+    include:
+    - master
+
+pr:
+  branches:
+    include:
+    - master
+
+variables:
+  PYTEST_ADDOPTS: "-v -v -ra --showlocals"
+  PYTEST_XDIST_PROC_NR: 'auto'
+  CI_RUN: 'yes'
+
+jobs:
+- template: run-tox-env.yml@tox
+  parameters:
+    jobs:
+      format_check: null
+      merge: null
+      type: null
+      lint: null
+      package_readme: null
+      py38:
+        image: [linux]
+      py37:
+        image: [linux, windows, macOs]
+      py36:
+        image: [linux, windows, macOs]
+      dev: null
+    coverage:
+      with_toxenv: 'coverage' # generate .tox/.coverage, .tox/coverage.xml after test run
+      for_envs: [py38, py37, py36]

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.7.0
-envlist = format-check,
+envlist = format_check,
           py37,
           py36,
           coverage,
@@ -34,7 +34,7 @@ commands = - seed-isort-config --application-directories .,tests
            black .
            isort -rc .
 
-[testenv:format-check]
+[testenv:format_check]
 description = check that the source code is well formatted
 deps = {[testenv:format]deps}
 skip_install = {[testenv:format]skip_install}