Update app.py

app.py

@@ -7,7 +7,7 @@ import json
 
 def check_additional_requirements():
     if importlib.util.find_spec("detectron2") is None:
-        os.system('pip install detectron2@git+https://github.com/facebookresearch/detectron2.git')
+        os.system('pip install detectron2@git+https://github.com/deepdoctection/detectron2.git')
     if importlib.util.find_spec("gradio") is not None:
         if importlib.metadata.version("gradio")!="3.44.3":
             os.system("pip uninstall -y gradio")