From 5507bc5da5535a68ac072fe5c4855d9cf698a8c2 Mon Sep 17 00:00:00 2001
From: Thomas Li <47963215+lithomas1@users.noreply.github.com>
Date: Thu, 29 Jul 2021 16:30:51 -0700
Subject: [PATCH] Backport PR #42803: COMPAT: MPL 3.4.0

---
 pandas/plotting/_matplotlib/tools.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pandas/plotting/_matplotlib/tools.py b/pandas/plotting/_matplotlib/tools.py
index 9bfa24b6371ab..ebe336bd55c97 100644
--- a/pandas/plotting/_matplotlib/tools.py
+++ b/pandas/plotting/_matplotlib/tools.py
@@ -414,8 +414,12 @@ def handle_shared_axes(
             except IndexError:
                 # if gridspec is used, ax.rowNum and ax.colNum may different
                 # from layout shape. in this case, use last_row logic
+                if compat.mpl_ge_3_4_0():
+                    is_last_row = lambda x: x.get_subplotspec().is_last_row()
+                else:
+                    is_last_row = lambda x: x.is_last_row()
                 for ax in axarr:
-                    if ax.is_last_row():
+                    if is_last_row(ax):
                         continue
                     if sharex or _has_externally_shared_axis(ax, "x"):
                         _remove_labels_from_axis(ax.xaxis)