From 0514a65cc9d0b0d9c98a5927a066e7d6581a87fe Mon Sep 17 00:00:00 2001
From: Konstantin Kondrashov <konstantin@espressif.com>
Date: Tue, 19 Mar 2019 13:29:07 +0800
Subject: [PATCH] esptool: Only insert SHA256 if overwriting zero data

---
 components/esptool_py/esptool | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/esptool_py/esptool b/components/esptool_py/esptool
index 9ad444a6e0..40258ed6de 160000
--- a/components/esptool_py/esptool
+++ b/components/esptool_py/esptool
@@ -1 +1 @@
-Subproject commit 9ad444a6e06e58833d5e6044c1d5f3eb3dd56023
+Subproject commit 40258ed6de78672ef20862fea24fbdf4a9b38413