bytearray error in example readwrite_ntag2xx.py

[jerryneedell]

the example readwrite_ntag2xx.py fails with:

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Adafruit CircuitPython 4.0.0-beta.0-15-g6be4b07e1 on 2019-01-24; Adafruit Feather nRF52840 Express with nRF52840
>>> 
>>> import readwrite_ntag2xx
Found PN532 with firmware version: 1.6
Waiting for RFID/NFC card to write to!
.
.
.

Found card with UID: ['0x53', '0x15', '0x8a', '0xb2', '0x0', '0x1a', '0x80']
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "readwrite_ntag2xx.py", line 82, in <module>
NotImplementedError: array/bytes required on right side
>>> 

replacing line 82 with

jerryneedell@Ubuntu-Macmini:~/projects/feather_nrf52840$ diff ntag203.py readwrite_ntag2xx.py 
82c82
< data[0:4] = b'\xFE\xED\xBE\xEF'
---
> data[0:4] = [0xFE, 0xED, 0xBE, 0xEF]

works as expected

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Adafruit CircuitPython 4.0.0-beta.0-15-g6be4b07e1 on 2019-01-24; Adafruit Feather nRF52840 Express with nRF52840
>>> 
>>> import ntag203
Found PN532 with firmware version: 1.6
Waiting for RFID/NFC card to write to!
.
.
.

Found card with UID: ['0x53', '0x15', '0x8a', '0xb2', '0x0', '0x1a', '0x80']
Wrote to block 6, now trying to read that data: ['0xfe', '0xed', '0xbe', '0xef']
>>>