No module named 'rtree' when running talent_gui.py
bpp00213:talent marek$ python3 talent_gui.py
Traceback (most recent call last):
File "talent_gui.py", line 19, in
import talent.utils.export as export
File ".../talent/talent/utils/export.py", line 13, in
from talent import beautification as bt
File ".../talent/talent/beautification.py", line 13, in
from . import bioentity as be
File ".../talent/talent/bioentity.py", line 21, in
from .routing import RoutingGraph
File ".../talent/talent/routing.py", line 7, in
from rtree import index
ModuleNotFoundError: No module named 'rtree'