Import topological_sort in CSE test

bowenszhu · bowenszhu · commit 5f1f8ffffa20 · 2025-01-09T16:50:49.000+08:00
diff --git a/test/cse.jl b/test/cse.jl
@@ -1,4 +1,6 @@
 using SymbolicUtils, SymbolicUtils.Code, Test
+using SymbolicUtils.Code: topological_sort
+
 @testset "CSE" begin
     @syms x
     t = cse(hypot(hypot(cos(x), sin(x)), atan(cos(x), sin(x))))
