Fix Ignition distribution check in case multiple versions are found

robotology / gym-ignition

Framework for developing OpenAI Gym robotics environments simulated with Ignition Gazebo

https://robotology.github.io/gym-ignition

GNU Lesser General Public License v3.0

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Fix Ignition distribution check in case multiple versions are found #408

Closed diegoferigo closed 2 years ago

diegoferigo commented 2 years ago

Take three after #399 and #405. This PR fixes the check in the case ign gazebo --versions returns multiple lines, that can happen if multiple Ignition distributions are installed side-by-side in the system.