Custom ESPHome firmware and Tuya integration

[Chris_gbg]

Hi,
I found the solution for the parse_json error - there is a fix version of the Tuya IOT lib - v1.2.1 which needs to be specified in the setup of the external_components:
url: https://github.com/hzkincony/esphome-tuya-iot
ref: v1.2.1 # not v1.2.0 as in the readme