getting error 'unsupported operand type'

[shekharbora]

Traceback (most recent call last):
File "get_data_python3.py", line 76, in
chunk = crc16(chunk)
File "get_data_python3.py", line 46, in crc16
crc = crc ^ data[i]
TypeError: unsupported operand type(s) for ^: 'int' and 'str'