AttributeError: 'str' object has no attribute 'decode'

[fgallaire]

Same issue that:
adafruit/Adafruit_CircuitPython_Thermal_Printer#9
adafruit/Adafruit_CircuitPython_binascii#6

The problem is for SAMD21 non-express boards only.

[brentru]

@fgallaire Are you going to be creating a pull request for this issue?

If not, could you please post the error from the CircuitPython REPL so someone can take a look into it? Thanks!