ModuleNotFoundError: No module named 'lxml'

[insetion]

i try to decrypt my realme c15 ofp file when i run the command it show
Traceback (most recent call last):
File "C:\Users\USER\Desktop\oppo_decrypt-master\ofp_qc_decrypt.py", line 5, in
from lxml import etree
ModuleNotFoundError: No module named 'lxml'

please fix this

[BatchClayderman]

Maybe you need to execute pip install lxml first.