Explicitly use Python3 in esp-tool

diff --git a/Release/esptool/esptool.py b/Release/esptool/esptool.py
index 01176aff26edcda924ae70bac7e00e8b467ca0eb..3b62111e993be193a8b7a63dcf5333374dcdd73f 100755 (executable)
--- a/Release/esptool/esptool.py
+++ b/Release/esptool/esptool.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # ESP8266 & ESP32 family ROM Bootloader Utility
 # Copyright (C) 2014-2021 Fredrik Ahlberg, Angus Gratton, Espressif Systems (Shanghai) CO LTD, other contributors as noted.