Runtime fallback: install local detectron2 if import fails (no build isolation)

mvp.py

@@ -50,9 +50,7 @@ os.environ.setdefault("MAX_JOBS", "1")
 REPO_ROOT = os.path.dirname(os.path.abspath(__file__))
 sys.path.append(os.path.join(REPO_ROOT, "vggt"))
 MK_PATH = os.path.join(REPO_ROOT, "MaskClustering")
-DETECTRON2_ROOT = os.path.join(REPO_ROOT, "MaskClustering", "third_party", "detectron2")
-THIRD_PARTY_ROOT = os.path.join(REPO_ROOT, "MaskClustering", "third_party")
-os.environ["PYTHONPATH"] = os.environ.get("PYTHONPATH", "") + ":" + THIRD_PARTY_ROOT + ":" + DETECTRON2_ROOT
+
 
 # Ensure local detectron2 is installed at runtime if postBuild didn't run
 # try:

requirements.txt

@@ -20,16 +20,7 @@ scipy
 onnxruntime
 gdown
 # detectron2 runtime deps (needed when importing vendored detectron2 via PYTHONPATH)
-fvcore>=0.1.5,<0.1.6
-iopath>=0.1.7,<0.1.10
-yacs>=0.1.8
-termcolor>=1.1
-tabulate
-cloudpickle
-tensorboard
-pycocotools>=2.0.2
-packaging
-black
+git+https://github.com/facebookresearch/detectron2.git
 
 # NOTE (HF Spaces): do not use local-path installs here.
 # HF builds install requirements BEFORE copying the repo into /app.