In the most basic sense, fix change_attrib so that it *actually* saves these changes directly on the modified columns (it was actually completely throwing away any changes--nothing was being changed at all since ColDefs.<attrib>s is a property that returns a new list every time...
In the most basic sense, fix change_attrib so that it *actually* saves these changes directly on the modified columns (it was actually completely throwing away any changes--nothing was being changed at all since ColDefs.<attrib>s is a property that returns a new list every time...

spacetelescope/PyFITS,spacetelescope/PyFITS