Update app.py

app.py

@@ -4,6 +4,7 @@ os.system("nvcc --version")
 print(os.environ.get('CUDA_PATH'))
 os.system('pip install detectron2 -f https://dl.fbaipublicfiles.com/detectron2/wheels/cu102/torch1.9/index.html')
 os.system("git clone https://github.com/AK391/Mask2Former.git")
+
 os.chdir("Mask2Former")
 os.system("pwd")
 os.system("pip install git+https://github.com/cocodataset/panopticapi.git")