elif getfileextension(filename) == '.xls' :
dlg = dialog.FileOptionDialog(self, -1, _(u"File format").decode('utf8'), sep=False, sheet = True, size=(350, 200),
style=wx.DEFAULT_DIALOG_STYLE)
elif getfileextension(filename) == '.xls' :
dlg = dialog.FileOptionDialog(self, -1, _(u"File format").decode('utf8'), sep=False, sheet = True, size=(350, 200),
style=wx.DEFAULT_DIALOG_STYLE)