From 25b1d19044b406ad347f36cd7323644ffff79dca Mon Sep 17 00:00:00 2001
From: Benjamin Chung <ckfinite@gmail.com>
Date: Thu, 14 Nov 2024 20:24:00 -0800
Subject: [PATCH] Update input_output_handling.jl to remove drop_expr

drop_expr was disabled some time ago
---
 test/input_output_handling.jl | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/test/input_output_handling.jl b/test/input_output_handling.jl
index 07a26d2d1a..c3a0a63f6c 100644
--- a/test/input_output_handling.jl
+++ b/test/input_output_handling.jl
@@ -140,8 +140,7 @@ if VERSION >= v"1.8" # :opaque_closure not supported before
         A, B, C, D = matrices
         obsf = ModelingToolkit.build_explicit_observed_function(ssys,
             [y],
-            inputs = [torque.tau.u],
-            drop_expr = identity)
+            inputs = [torque.tau.u])
         x = randn(size(A, 1))
         u = randn(size(B, 2))
         p = (getindex.(