From b9f1475afc4d525c6b4b6d81d08b19489e1ffb3f Mon Sep 17 00:00:00 2001
From: Otto Winter <otto@otto-winter.com>
Date: Tue, 28 May 2019 15:52:13 +0200
Subject: [PATCH] Fix

---
 esphome/components/ntc/sensor.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/ntc/sensor.py b/esphome/components/ntc/sensor.py
index 54de05cfe5..db7d7f9b99 100644
--- a/esphome/components/ntc/sensor.py
+++ b/esphome/components/ntc/sensor.py
@@ -58,7 +58,7 @@ def calc_steinhart_hart(value):
     g3 = (y3-y1)/(l3-l1)
 
     c = (g3-g2)/(l3-l2) * 1/(l1+l2+l3)
-    b = g2 - c(l1*l1 + l1*l2 + l2*l2)
+    b = g2 - c*(l1*l1 + l1*l2 + l2*l2)
     a = y1 - (b + l1*l1*c) * l1
     return a, b, c