Rather than requiring an existing Tk instance to be passed to initialize(), look for one in the standard location (Tkinter._default_root).
Rather than requiring an existing Tk instance to be passed to initialize(), look for one in the standard location (Tkinter._default_root).

ioam/svn-history,ioam/svn-history,ioam/svn-history,ioam/svn-history,ioam/svn-history