From 49cd623da99167192c8375e3047c52d2f4fcfdcc Mon Sep 17 00:00:00 2001
From: Patrik <21142447+ggravlingen@users.noreply.github.com>
Date: Wed, 18 Sep 2019 22:08:13 +0200
Subject: [PATCH] Update development_checklist.md (#317)

---
 docs/development_checklist.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/development_checklist.md b/docs/development_checklist.md
index b9307216..7e0e9058 100644
--- a/docs/development_checklist.md
+++ b/docs/development_checklist.md
@@ -10,5 +10,6 @@ Before you commit any changes, check your work against these requirements:
 - New dependencies are added to `requirements_all.txt` (if applicable), using `python3 -m script.gen_requirements_all`
 - New codeowners are added to `CODEOWNERS` (if applicable), using `python3 -m script.hassfest`
 - The `.coveragerc` file is updated to exclude your platform if there are no tests available or your new code uses a third-party library for communication with the device, service, or sensor
+- The code is formatted using Black, as per these [guidelines](https://developers.home-assistant.io/blog/2019/07/31/black.html). This can be done running the command `black --fast homeassistant`.
 - Documentation is developed for [home-assistant.io](https://home-assistant.io/)
    * Visit the [website documentation](https://www.home-assistant.io/developers/documentation/) for more information about contributing to [home-assistant.io](https://github.com/home-assistant/home-assistant.github.io).