ModuleNotFoundError: No module named 'pygraphviz'

[Ha0Tang]

Traceback (most recent call last):
File "test.py", line 11, in
from dataset.floorplan_dataset_maps_functional_high_res import FloorplanGraphDataset, floorplan_collate_fn
File "/data/houseganpp/dataset/floorplan_dataset_maps_functional_high_res.py", line 28, in
from misc.utils import ROOM_CLASS, ID_COLOR
File "/data/houseganpp/misc/utils.py", line 30, in
from pygraphviz import *
ModuleNotFoundError: No module named 'pygraphviz'