[issue20350] Replace tkapp.split() to tkapp.splitlist()

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Most methods are tested now.

There is a difference between split() and splitlist() in Variable.trace_vinfo() if the tracer was assigned not by Tkinter method Variable.trace_variable(), but by direct execution of Tcl command "trace add variable" and additional arguments were included in commandPrefix. This is very unusual case, and I think that the result would be more expectable if use splitlist() in Variable.trace_vinfo().

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20350>
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