No module named

[EventExecutor]

Traceback (most recent call last):
File "/home/ashcodee/Mr.Holmes/MrHolmes.py", line 8, in
from Core.Support import Menu
File "/home/ashcodee/Mr.Holmes/Core/Support/Menu.py", line 21, in
from Core import PDF_Converter as Pdf
File "/home/ashcodee/Mr.Holmes/Core/PDF_Converter.py", line 7, in
import pdfkit
ModuleNotFoundError: No module named 'pdfkit'

[hazzyhigh]

can anyone tell about to fix this error