[bugfix] Go into recursion in indexpushdown transformation

python/dune/perftool/ufl/transformations/indexpushdown.py

@@ -13,7 +13,7 @@ class IndexPushDown(MultiFunction):
     def indexed(self, o):
         expr, idx = o.ufl_operands
         if isinstance(expr, uc.Sum):
-            terms = [uc.Indexed(term, idx) for term in get_operands(expr)]
+            terms = [uc.Indexed(self(term), idx) for term in get_operands(expr)]
             return construct_binary_operator(terms, uc.Sum)
         else:
             # This is a normal indexed, we treat it as any other.