```suggestion _global_options = None ``` This is not needed

I think it is better to keep this ```suggestion def _get_default_RosdepLookup(options): ```

This is no longer needed ```suggestion ```

```suggestion Allowed: "build", "buildtool", "build_export", "run", "test", "exec", "doc" ``` It also supports build_export, exec, and doc dependencies

```suggestion ``` Not needed

```suggestion ``` This is not needed

```suggestion nosetests --with-coverage --cover-package=rosdep2 --with-xunit test ``` It was my bad. I accidentally committed it.