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2 changes: 1 addition & 1 deletion src/PiicoDev_RFID.py
Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ def __init__(self, bus=None, freq=None, sda=None, scl=None, address=_I2C_ADDRESS
self.i2c = create_unified_i2c(bus=bus, freq=freq, sda=sda, scl=scl)

if type(asw) is list: # determine address from ASW switch positions (if provided)
assert max(asw) <= 1 and min(asw) >= 0 and len(asw) is 2, "asw must be a list of 1/0, length=2"
assert max(asw) <= 1 and min(asw) >= 0 and len(asw) == 2, "asw must be a list of 1/0, length=2"
self.address=_I2C_ADDRESS+asw[0]+2*asw[1]
else:
self.address = address # fall back on using address argument
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