Fix django-commons#2011: Test the divisor, not the dividend for zero

Author: matthiask

debug_toolbar/panels/profiling.py

@@ -90,7 +90,7 @@ def subfuncs(self):
         count = len(self.statobj.all_callees[self.func])
         for i, (func, stats) in enumerate(self.statobj.all_callees[self.func].items()):
             h1 = h + ((i + 1) / count) / (self.depth + 1)
-            s1 = 0 if stats[3] == 0 else s * (stats[3] / self.stats[3])
+            s1 = 0 if self.stats[3] == 0 else s * (stats[3] / self.stats[3])
             yield FunctionCall(
                 self.statobj,
                 func,