def _layout_hint(self):
    '\n        Fill the sizer containing hint \n        '
    hint_msg = 'This tool is to approximately estimate '
    hint_msg += 'the thickness of a layer'
    hint_msg += ' or the diameter of particles\n '
    hint_msg += 'from the Kiessig fringe width in SAS/NR data.'
    hint_msg += ''
    self.hint_txt = wx.StaticText(self, (- 1), hint_msg)
    self.hint_sizer.AddMany([(self.hint_txt, 0, wx.LEFT, 15)])
Fill the sizer containing hint
def _layout_hint(self):
    '\n         \n        '
    hint_msg = 'This tool is to approximately estimate '
    hint_msg += 'the thickness of a layer'
    hint_msg += ' or the diameter of particles\n '
    hint_msg += 'from the Kiessig fringe width in SAS/NR data.'
    hint_msg += 
    self.hint_txt = wx.StaticText(self, (- 1), hint_msg)
    self.hint_sizer.AddMany([(self.hint_txt, 0, wx.LEFT, 15)])