Scalar Multiplication issue

[KrashKrash]

I have been trying to get the program to work but somehow theres an issue with scalar multiplication

└─# python rsz_rdiff_scan.py -a 1BFhrfTTZP3Nw4BNy4eX4KFLsn9ZeijcMm
Traceback (most recent call last):
File "/home/kali/rsz/rsz_rdiff_scan.py", line 14, in
G = ice.scalar_multiplication(1)
^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: module 'secp256k1' has no attribute 'scalar_multiplication'

[iceland2k14]

@RoyNahar copy the 3 files mentioned from the library. No need to install from pip.