def launch_classifier(self, evt=None):
classifier = wx.FindWindowById(ID_CLASSIFIER) or wx.FindWindowByName(
'Classifier')
if classifier:
classifier.Show()
classifier.SetFocus()
logging.warn(
'You may only run one instance of Classifier at a time.')
return
classifier = Classifier(parent=self, properties=self.properties)
classifier.Show(True)
