From 8639eb1b27229e33a36d5e2fcd4d804a92434c92 Mon Sep 17 00:00:00 2001
From: Otto Winter <otto@otto-winter.com>
Date: Tue, 15 May 2018 11:22:55 +0200
Subject: [PATCH] Fix PCF8574 inverted KeyError #12

---
 esphomeyaml/pins.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphomeyaml/pins.py b/esphomeyaml/pins.py
index 9ce8b1abb5..ed6c305b72 100644
--- a/esphomeyaml/pins.py
+++ b/esphomeyaml/pins.py
@@ -180,7 +180,7 @@ def pin_mode(value):
 PCF8574_OUTPUT_PIN_SCHEMA = vol.Schema({
     vol.Required(CONF_PCF8574): cv.variable_id,
     vol.Required(CONF_NUMBER): vol.Coerce(int),
-    vol.Optional(CONF_INVERTED): cv.boolean,
+    vol.Optional(CONF_INVERTED, default=False): cv.boolean,
 })
 
 PCF8574_INPUT_PIN_SCHEMA = PCF8574_OUTPUT_PIN_SCHEMA.extend({