From 0cab756077f5291f8d6a7fcfacaf374f62b866a0 Mon Sep 17 00:00:00 2001
From: Elliott Sales de Andrade <quantum.analyst@gmail.com>
Date: Mon, 29 Apr 2024 23:11:21 -0400
Subject: [PATCH 1/2] Remove deprecated plot_date calls

These were deprecated in Matplotlib 3.9.
---
 pandas/tests/plotting/test_datetimelike.py | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/pandas/tests/plotting/test_datetimelike.py b/pandas/tests/plotting/test_datetimelike.py
index 6b709522bab70..b91bde41bf4c4 100644
--- a/pandas/tests/plotting/test_datetimelike.py
+++ b/pandas/tests/plotting/test_datetimelike.py
@@ -1432,13 +1432,11 @@ def test_mpl_nopandas(self):
         values1 = np.arange(10.0, 11.0, 0.5)
         values2 = np.arange(11.0, 12.0, 0.5)
 
-        kw = {"fmt": "-", "lw": 4}
-
         _, ax = mpl.pyplot.subplots()
-        ax.plot_date([x.toordinal() for x in dates], values1, **kw)
-        ax.plot_date([x.toordinal() for x in dates], values2, **kw)
-
-        line1, line2 = ax.get_lines()
+        line1, line2, = ax.plot(
+            [x.toordinal() for x in dates], values1, "-",
+            [x.toordinal() for x in dates], values2, "-",
+            linewidth=4)
 
         exp = np.array([x.toordinal() for x in dates], dtype=np.float64)
         tm.assert_numpy_array_equal(line1.get_xydata()[:, 0], exp)

From 6d6574c4e71e3bab91503f85c8aa80c927785865 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Tue, 30 Apr 2024 16:47:26 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 pandas/tests/plotting/test_datetimelike.py | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/pandas/tests/plotting/test_datetimelike.py b/pandas/tests/plotting/test_datetimelike.py
index b91bde41bf4c4..4b4eeada58366 100644
--- a/pandas/tests/plotting/test_datetimelike.py
+++ b/pandas/tests/plotting/test_datetimelike.py
@@ -1433,10 +1433,18 @@ def test_mpl_nopandas(self):
         values2 = np.arange(11.0, 12.0, 0.5)
 
         _, ax = mpl.pyplot.subplots()
-        line1, line2, = ax.plot(
-            [x.toordinal() for x in dates], values1, "-",
-            [x.toordinal() for x in dates], values2, "-",
-            linewidth=4)
+        (
+            line1,
+            line2,
+        ) = ax.plot(
+            [x.toordinal() for x in dates],
+            values1,
+            "-",
+            [x.toordinal() for x in dates],
+            values2,
+            "-",
+            linewidth=4,
+        )
 
         exp = np.array([x.toordinal() for x in dates], dtype=np.float64)
         tm.assert_numpy_array_equal(line1.get_xydata()[:, 0], exp)