Lines (or characters) previously hidden by another popup are not labelled.

[nikhilmitrax]

Since get_active_views is called before any previous popups have disappeared (which happens due to the window.show_input_panel being called), the viewport does not represent the actual view while using the plugin.

This causes a part of the possible labeling to not be labelled.

Previous Popup:

Some labels missing:

This is probably not a very complex fix (call get_active_views after showing the input prompt), but it does seem nontrivial.