adds missing dependency

python/dune/codegen/pdelab/tensors.py

@@ -109,7 +109,7 @@ def define_matrix_inverse(name, name_inv, shape, visitor):
             instruction(expression=exprs[i][j],
                         assignee=assignee[i][j],
                         within_inames=frozenset(visitor.quadrature_inames()),
-                        depends_on=frozenset({Writes(name)}))
+                        depends_on=frozenset({Writes(name), Writes(det_inv)}))
 
 
 def name_determinant(matrix, shape, visitor):