def __init__(self, dataset, index, parent):
     super(FitWindow, self).__init__()
     self.dataset = dataset
     self.index = index
     self.parent = parent
     self.fw = FitWrapper(dataset, index)
     self.row_info_dict = {}
     self.ident = 'Fit: ' + str(self.dataset.dataset_name)
     self.initUI()