updated code

app.py

@@ -6,7 +6,6 @@ from facenet_pytorch import MTCNN
 from model import HPEnet
 from torchvision import transforms
 from scipy.spatial.transform import Rotation as R
-import numpy as np
 from PIL import Image
 from utils import draw_2D_axes
 

requirements.txt

@@ -2,4 +2,5 @@ torch
 opencv-python
 scipy
 facenet_pytorch
-pillow
+pillow
+plotly

utils.py

@@ -1,6 +1,5 @@
 import numpy as np
 import cv2
-import numpy as np
 import plotly.graph_objects as go
 from math import cos, sin
 from scipy.spatial.transform import Rotation as R