Refine geometry of idlelib htests (and a few other fix-ups).
diff --git a/Lib/idlelib/tree.py b/Lib/idlelib/tree.py
index cb7f9ae..04e0734 100644
--- a/Lib/idlelib/tree.py
+++ b/Lib/idlelib/tree.py
@@ -451,8 +451,8 @@
def _tree_widget(parent): # htest #
top = Toplevel(parent)
- width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
- top.geometry("+%d+%d"%(x+50, y+175))
+ x, y = map(int, parent.geometry().split('+')[1:])
+ top.geometry("+%d+%d" % (x+50, y+175))
sc = ScrolledCanvas(top, bg="white", highlightthickness=0, takefocus=1)
sc.frame.pack(expand=1, fill="both", side=LEFT)
item = FileTreeItem(ICONDIR)