def getIntervals(self): '''Plots a histogram of the time interval length between consecutive counts.''' #check if data has been imported. if not, give a warning if self.dataSet: #ask for the number of bins for the histogram labelText = "Enter the desired number of bins in the histogram" numBins = tksd.askinteger("Intervals Histogram", labelText, parent=self.root, minvalue=1) if not numBins: return #plot the histogram in matplotlib pd.plotHistOfIntervals(self.dataSet, numBins) else: self.showImportAlert()