From d4e803caf7aabd464f6fb1d43ef39903911a3cec Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Wed, 3 Jul 2024 06:45:24 -1000
Subject: [PATCH] Backport PR #59168: TST: Address UserWarning in matplotlib
 test

---
 pandas/plotting/_matplotlib/core.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pandas/plotting/_matplotlib/core.py b/pandas/plotting/_matplotlib/core.py
index 2979903edf360..52382d9f7d572 100644
--- a/pandas/plotting/_matplotlib/core.py
+++ b/pandas/plotting/_matplotlib/core.py
@@ -893,7 +893,13 @@ def _make_legend(self) -> None:
         elif self.subplots and self.legend:
             for ax in self.axes:
                 if ax.get_visible():
-                    ax.legend(loc="best")
+                    with warnings.catch_warnings():
+                        warnings.filterwarnings(
+                            "ignore",
+                            "No artists with labels found to put in legend.",
+                            UserWarning,
+                        )
+                        ax.legend(loc="best")
 
     @final
     @staticmethod