Update app.py

app.py

@@ -11,6 +11,7 @@ os.system("pip3 install torch")
 os.system("pip3 install collections")
 os.system("pip3 install torchvision")
 os.system("pip3 install einops")
+aaaa=0
 os.system("pip3 install git+https://github.com/lucasb-eyer/pydensecrf.git")
 #os.system("pip install argparse")
 import pydensecrf.densecrf as dcrf