Make yapf part of CI

Hugo Osvaldo Barrera · Hugo Osvaldo Barrera · commit 98a2700bcef6 · 2017-10-01T15:01:01.000-03:00
diff --git a/tox.ini b/tox.ini
@@ -19,6 +19,13 @@ deps =
   flake8-import-order
 commands = flake8
 
+[testenv:yapf]
+basepython = python3
+skip_install = True
+deps =
+  yapf
+commands = yapf --recursive --diff -p todoman tests docs setup.py
+
 [testenv:docs]
 basepython = python3
 whitelist_externals =
