fix: test_efficientdet_coco_pytorch_const failing
pip install timm==0.3.1
+# pycocotools 2.0.5, a dependency of efficientdet-pytorch,
+# would not install without cython
+pip install pycocotools==2.0.4
git clone https://github.com/rwightman/efficientdet-pytorch.git
cd efficientdet-pytorch
git checkout 611532db49fdd691f48f913bc433391a12014bd8
