Auto detect tab length on the openning file, and update the editor's tab length property.
Or you can use the shortcut to set up the tab length
ctrl-alt-1: auto update all opened editors' tab length
ctrl-alt-2: overrides the current editor's tab length to
ctrl-alt-4: overrides the current editor's tab length to
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.