From 54d66152e0a28ff76519ad0cdf4902be39338c11 Mon Sep 17 00:00:00 2001
From: Tim Hoffmann <2836374+timhoffm@users.noreply.github.com>
Date: Thu, 17 Apr 2025 07:34:14 +0200
Subject: [PATCH] Backport PR #29920: Allow `None` in set_prop_cycle (in type
 hints)

---
 lib/matplotlib/axes/_base.py  | 2 +-
 lib/matplotlib/axes/_base.pyi | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
index 61d67d2791b4..bfee2091a1a6 100644
--- a/lib/matplotlib/axes/_base.py
+++ b/lib/matplotlib/axes/_base.py
@@ -1612,7 +1612,7 @@ def set_prop_cycle(self, *args, **kwargs):
 
         Parameters
         ----------
-        cycler : `~cycler.Cycler`
+        cycler : `~cycler.Cycler` or ``None``
             Set the given Cycler. *None* resets to the cycle defined by the
             current style.
 
diff --git a/lib/matplotlib/axes/_base.pyi b/lib/matplotlib/axes/_base.pyi
index ee3c7cf0dee9..df82ad7ec4a5 100644
--- a/lib/matplotlib/axes/_base.pyi
+++ b/lib/matplotlib/axes/_base.pyi
@@ -181,7 +181,7 @@ class _AxesBase(martist.Artist):
     def get_facecolor(self) -> ColorType: ...
     def set_facecolor(self, color: ColorType | None) -> None: ...
     @overload
-    def set_prop_cycle(self, cycler: Cycler) -> None: ...
+    def set_prop_cycle(self, cycler: Cycler | None) -> None: ...
     @overload
     def set_prop_cycle(self, label: str, values: Iterable[Any]) -> None: ...
     @overload