update detectron2

app.py

@@ -18,7 +18,7 @@ if os.getenv('SYSTEM') == 'spaces':
     subprocess.call('pip uninstall -y opencv-python-headless'.split())
     subprocess.call('pip install opencv-python-headless==4.5.5.64'.split())
     subprocess.call('pip install pycocotools'.split())
-    subprocess.call('pip install detectron2==0.5 -f https://dl.fbaipublicfiles.com/detectron2/wheels/cu101/torch1.7/index.html'.split())
+    subprocess.call("pip install 'git+https://github.com/facebookresearch/detectron2.git'".split())
 
 import cv2
 import gradio as gr