From 514c64619ab096dfdadd2192e565ed0c683e19c2 Mon Sep 17 00:00:00 2001
From: Steven Rollason <2099542+gadgetchnnel@users.noreply.github.com>
Date: Tue, 26 May 2020 15:39:53 +0100
Subject: [PATCH] Check todoist due date is not None in async_get_events
 (#36140)

* Check that due date is not None

Check that due date is not None, prevents taks without due dates from breaking Calendar API

* Invert None check to reduce indentation
---
 homeassistant/components/todoist/calendar.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/homeassistant/components/todoist/calendar.py b/homeassistant/components/todoist/calendar.py
index fd246520696..0ce8101f49c 100644
--- a/homeassistant/components/todoist/calendar.py
+++ b/homeassistant/components/todoist/calendar.py
@@ -500,6 +500,8 @@ class TodoistProjectData:
 
         events = []
         for task in project_task_data:
+            if task["due"] is None:
+                continue
             due_date = _parse_due_date(task["due"])
             if start_date < due_date < end_date:
                 event = {