old_contents: import smbus
  
  DEVICE_BUS = 1
  DEVICE_ADDRESS = 0x5B
  bus = smbus.SMBus(DEVICE_BUS)
  byte = bus.read_byte_data(DEVICE_ADDRESS, 0x00)
new_contents: import smbus
  
  DEVICE_BUS = 1
  DEVICE_ADDRESS = 0x5B
  bus = smbus.SMBus(DEVICE_BUS)
  byte = bus.read_byte_data(DEVICE_ADDRESS, 0x00)
  print(byte)
subject: Debug read byte