makeplots: don't normalize 0 entry histograms

goi42 · May 21, 2019 · 055c7ab · 055c7ab
1 parent 4bb90a0
commit 055c7ab
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/python/makeplots/makeplots_main.py b/python/makeplots/makeplots_main.py
@@ -328,7 +328,11 @@ def run(self):
         if(norm):
             if(verbose):
                 print "normalizing histogram {i}...".format(i=hi + 1),
-            h.Scale(1 / h.Integral())
+            if h.Integral() == 0:
+                if(verbose):
+                    print "histogram {i} has no contents--not normalizing".format(i=hi + 1),
+            else:
+                h.Scale(1 / h.Integral())
             if(verbose):
                 print "done"
         if(verbose):