Fix envs if JUPYROS_DEFAULT_WS is not specified

RoboStack / jupyter-ros

Jupyter widget helpers for ROS, the Robot Operating System

https://jupyter-ros.readthedocs.io/en/latest/

BSD 3-Clause "New" or "Revised" License

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Fix envs if JUPYROS_DEFAULT_WS is not specified #73

Closed Tobias-Fischer closed 3 years ago

Tobias-Fischer commented 3 years ago

It just took me ages to figure this out. If envs is set to an empty list, no packages are found. Instead, if set to None, the default behaviour is used (whatever that is) and packages are found.

wolfv commented 3 years ago

thanks!