Missing import

Author: justmobilize

examples/esp32spi/minimqtt_certificate_esp32spi.py

@@ -1,6 +1,8 @@
 # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
+from os import getenv
+
 import adafruit_connection_manager
 import board
 import busio