Merge pull request #95 from sebsiebert/smallBugPlotFactory

Fixed PlotFactory bug with histo_total and divideByBinWidth

Author: lviliani

ShapeAnalysis/python/PlotFactory.py

@@ -651,7 +651,7 @@ def makePlot(self, inputFile, outputDirPlots, variables, cuts, samples, plot, nu
             else:
               histo_total = fileIn.Get(special_shapeName)
 
-            if variable['divideByBinWidth'] == 1:
+            if variable['divideByBinWidth'] == 1 and histo_total != None:
               histo_total.Scale(1,"width")
             print ' --> ', histo_total