(bytes_arr)
return bin_compensate(res)
Convert bytes to a binary number
    :param bytes_arr:
    :return: str, whose length must be a multiple of 8
Convert bytes to a binary number
    :param bytes_arr:
    :return: str, whose length must be a multiple of 8
Convert bytes to a binary number : param bytes_arr : : return : str whose length must be a multiple of 8
def bytes_to_bin(bytes_arr):
    """
    Convert bytes to a binary number
    :param bytes_arr:
    :return: str, whose length must be a multiple of 8
    """
    res = bin(bytes_to_int(bytes_arr))[2:]
    return bin_compensate(res)
def bytes_to_bin ( bytes_arr ) : res = bin ( bytes_to_int ( bytes_arr ) ) [ 2 : ] return bin_compensate ( res )