Update app.py

app.py

@@ -9,7 +9,8 @@ os.system("pip3 install collections")
 os.system("pip3 install torchvision")
 os.system("pip3 install einops")
 os.system("pip3 install pydensecrf")
-#os.system("pip3 install argparse")
+os.system("pip3 install pydensecrf")
+os.system("pip install argparse")
 import pydensecrf.densecrf as dcrf
 from PIL import Image
 import torch