Version 3.0.3 is available upstream. Please consider updating! It seems that version 3.0.3 is available upstream, while the latest version in the Gentoo tree is 3.0.2_p4-r1. You think this warning is false? Read more about it here.
ViTables is a component of the PyTables family. It is a GUI for
browsing and editing files in both PyTables and HDF5 formats. It is
developed using Python and PyQt (the Python bindings to the Qt), so
it can run on any platform that supports these components.