Added debian packages installation

app.py

@@ -22,6 +22,7 @@ def plot_img_no_mask(image, boxes):
         pt1 = (x1, y1)
         pt2 = (x2, y2)
         cv2.rectangle(image, pt1, pt2, (220,0,0), thickness=5)
+        
     plt.axis('off')
     ax.imshow(image)
     fig.savefig("img.png", bbox_inches='tight')

model.py

@@ -1,6 +1,5 @@
 from icevision import *
 import collections
-import cv2
 import PIL
 import torch
 import numpy as np

packages.txt

@@ -0,0 +1 @@
+libgl1-mesa-glx

requirements.txt

@@ -1,2 +1,2 @@
 icevision[full]
-matplotlib
+matplotlib