From 872c1c576dc4bc1724e1c526ddc45cb420394ce3 Mon Sep 17 00:00:00 2001
From: Maximilian Roos <5635139+max-sixty@users.noreply.github.com>
Date: Sun, 23 Jun 2024 21:48:59 -0700
Subject: [PATCH] Add test for #9155 (#9161)

* Add test for #9155

I can't get this to fail locally, so adding a test to assess what's going on.

Alos excludes matplotlib from type exclusions

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
---
 pyproject.toml            |  1 -
 xarray/tests/test_plot.py | 10 ++++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 1815fa6dd5d..2ada0c1c171 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -114,7 +114,6 @@ module = [
   "h5netcdf.*",
   "h5py.*",
   "iris.*",
-  "matplotlib.*",
   "mpl_toolkits.*",
   "nc_time_axis.*",
   "netCDF4.*",
diff --git a/xarray/tests/test_plot.py b/xarray/tests/test_plot.py
index a44b621a981..b302ad3af93 100644
--- a/xarray/tests/test_plot.py
+++ b/xarray/tests/test_plot.py
@@ -3406,3 +3406,13 @@ def test_plot1d_filtered_nulls() -> None:
         actual = pc.get_offsets().shape[0]
 
         assert expected == actual
+
+
+@requires_matplotlib
+def test_9155() -> None:
+    # A test for types from issue #9155
+
+    with figure_context():
+        data = xr.DataArray([1, 2, 3], dims=["x"])
+        fig, ax = plt.subplots(ncols=1, nrows=1)
+        data.plot(ax=ax)