@observe('colors')
def init_inspector(self, changes=None):
    self.inspector = oinspect.Inspector(oinspect.InspectColors, PyColorize.ANSICodeColors, self.colors, self.object_info_string_level)
@observe('colors')
def init_inspector(self, changes=None):
    self.inspector = oinspect.Inspector(oinspect.InspectColors, PyColorize.ANSICodeColors, self.colors, self.object_info_string_level)