Merge pull request #220 from divio/feature/PD-399_py3-black-2

black formatting, python3, make lint

.travis.yml

@@ -7,9 +7,10 @@ matrix:
       os: osx
       before_install:
         - brew update
-        - brew upgrade python
-        - pip3 install virtualenv
-        - virtualenv env -p python3
+        - pyenv install 3.6.3
+        - pyenv local 3.6.3
+        - pip install virtualenv
+        - virtualenv env
         - source env/bin/activate
     - language: python
       os: linux

Makefile

@@ -0,0 +1,12 @@
+# can also be used as `make ARGS=--check black` for example
+black:
+	find divio_cli -name '*.py' | xargs black --line-length=79 --safe $(ARGS)
+
+isort:
+	isort -rc divio_cli
+
+autoflake:
+	find divio_cli -name '*.py' | xargs autoflake --in-place --remove-unused-variables
+
+# isort must come first as black reformats the imports again
+lint: autoflake isort black

divio_cli/__init__.py

@@ -1 +1 @@
-__version__ = '3.3.7'
+__version__ = "3.3.7"