release 0.2

Summary: Pull Request resolved: fairinternal/detectron2#433

Differential Revision: D22436814

Pulled By: ppwwyyxx

fbshipit-source-id: 2dc3b42775264b2d31263c5e9fe07d4dc8a41adb

Author: ppwwyyxx

detectron2/__init__.py

@@ -7,4 +7,4 @@
 
 # This line will be programatically read/write by setup.py.
 # Leave them at the bottom of this file and don't touch them.
-__version__ = "0.1.3"
+__version__ = "0.2"

dev/packaging/build_wheel.sh

@@ -15,7 +15,9 @@ echo "PYTORCH_VERSION: $PYTORCH_VERSION"       # e.g. 1.4
 
 setup_cuda
 setup_wheel_python
-yum install ninja-build -y && ln -sv /usr/bin/ninja-build /usr/bin/ninja
+
+yum install ninja-build -y
+ln -sv /usr/bin/ninja-build /usr/bin/ninja || true
 
 pip_install pip numpy -U
 pip_install "torch==$PYTORCH_VERSION" \