<!-- Mininet uses GitHub issues for bug reports and feature requests only. These issues can be viewed at bugs.mininet.org If you have a question that is not a **bug report** or a **feature request**, please use the documentation at docs.mininet.org, the FAQ at faq.mininet.org, and the mininet-discuss mailing list. For bug reports, please fill in the following information in detail, and also feel free to include additional information such as debug output from mn -v debug, etc. --> ### Expected/Desired Behavior: `./mnexec -v ` should return the current version of mininet : **2.3.0** ### Actual Behavior: it's returning a blank string ### Detailed Steps to Reproduce the Behavior: ### Additional Information: