From 4e2c8343e58ff78642e8ecedee6f70840bda7a9e Mon Sep 17 00:00:00 2001
From: Martin Fleischmann <martin@martinfleischmann.net>
Date: Sat, 21 Aug 2021 08:19:24 +0100
Subject: [PATCH] BUG: fix colorbar issue under matplotlib 3.4.3 (#2066)

---
 geopandas/plotting.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/geopandas/plotting.py b/geopandas/plotting.py
index 19debb5..1582b2c 100644
--- a/geopandas/plotting.py
+++ b/geopandas/plotting.py
@@ -906,7 +906,7 @@ GON (((-122.84000 49.00000, -120.0000...
             else:
                 legend_kwds.setdefault("ax", ax)
 
-            n_cmap.set_array([])
+            n_cmap.set_array(np.array([]))
             ax.get_figure().colorbar(n_cmap, **legend_kwds)
 
     plt.draw()