Update src/sage/rings/function_field/ideal_polymod.py

Co-authored-by: Martin Rubey <[email protected]>

Author: fchapoton

src/sage/rings/function_field/ideal_polymod.py

@@ -1251,7 +1251,7 @@ def _gens_two(self) -> tuple:
 
         R = hnf.base_ring()
 
-        basis = [sum([c1 * c2 for c1, c2 in zip(row, O.basis())])
+        basis = [sum(c1 * c2 for c1, c2 in zip(row, O.basis()))
                  for row in hnf]
 
         n = len(basis)