From 4163ee90853eff59ff4b3dcc1234825217a9ea6e Mon Sep 17 00:00:00 2001
From: Helge Gehring <42973196+HelgeGehring@users.noreply.github.com>
Date: Tue, 24 Oct 2023 16:22:32 -0700
Subject: [PATCH] fix example

---
 docs/julia/heater_3d.jl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/julia/heater_3d.jl b/docs/julia/heater_3d.jl
index f257d59a..f20dd708 100644
--- a/docs/julia/heater_3d.jl
+++ b/docs/julia/heater_3d.jl
@@ -19,6 +19,7 @@
 
 # %% tags=["remove-stderr", "hide-input", "hide-output"]
 using CairoMakie
+using Printf
 
 using Gridap
 using GridapGmsh