From 465594d8711a911891f648122f70bf40f763953d Mon Sep 17 00:00:00 2001
From: Aayush Sabharwal <aayush.sabharwal@gmail.com>
Date: Wed, 24 Jul 2024 12:32:48 +0530
Subject: [PATCH] fixup! refactor: use clock from SciMLBase, fix tests

---
 src/clock.jl  | 5 +----
 test/clock.jl | 2 +-
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/clock.jl b/src/clock.jl
index 13924d562f..26ea5832da 100644
--- a/src/clock.jl
+++ b/src/clock.jl
@@ -115,7 +115,4 @@ function Base.showerror(io::IO, cie::ClockInferenceException)
     print(io, "ClockInferenceException: ", cie.msg)
 end
 
-struct IntegerSequence
-    t::Union{Nothing, Symbolic}
-    IntegerSequence(t::Union{Num, Symbolic}) = new(value(t))
-end
+struct IntegerSequence end
diff --git a/test/clock.jl b/test/clock.jl
index fc9857b257..5bf5e917aa 100644
--- a/test/clock.jl
+++ b/test/clock.jl
@@ -72,7 +72,7 @@ sss, = ModelingToolkit._structural_simplify!(deepcopy(tss[1]), (inputs[1], ()))
 @test isempty(equations(sss))
 d = Clock(dt)
 k = ShiftIndex(d)
-@test observed(sss) == [yd(k + 1) ~ Sample(t, dt)(y); r(k + 1) ~ 1.0;
+@test observed(sss) == [yd(k + 1) ~ Sample(dt)(y); r(k + 1) ~ 1.0;
        ud(k + 1) ~ kp * (r(k + 1) - yd(k + 1))]
 
 d = Clock(dt)