[issue6159] Tkinter.PanedWindow: docstring fixes, change in paneconfigure and removed some returns

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

> However, while the revision describes how the Python wrapper should behave, I am dubious that tk.call itself returns either a list or a tuple, rather than a string such as '{0 sash}' unless verifed with a test.

This depends on the value of wantobjects. If it is 0, PanedWindow.identify() returns a string such as '{0 sash}'. Otherwise it currently returns a pair of an integer and a string. But this depends on Tk implementation details. In future versions it could return a second item as a Tcl_Obj instead of a string. This can be changed even in a Tk bugfix release.

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