No module named 'Alignment'

[santataRU]

(base) Xiaos-MacBook-Pro-3:PIPE-CLIP-1.2.0-alpha xiaolei$ python pipeclip.py -i /miniconda3/data/hnRNP_U/aln-hnRNPU.sorted.bam -o test
Traceback (most recent call last):
File "pipeclip.py", line 13, in
from lib import *
File "/miniconda3/bin/PIPE-CLIP-1.2.0-alpha/lib/init.py", line 2, in
import Alignment
ModuleNotFoundError: No module named 'Alignment'