Update app.py

app.py

@@ -8,8 +8,7 @@ os.system("/usr/local/bin/python -m pip install --upgrade pip")
 os.system("pip3 install collections")
 os.system("pip3 install torchvision")
 os.system("pip3 install einops")
-os.system("pip3 install pydensecrf")
-os.system("pip install pydensecrf")
+os.system("pip3 install git+https://github.com/lucasb-eyer/pydensecrf.git")
 #os.system("pip install argparse")
 import pydensecrf.densecrf as dcrf
 from PIL import Image