From 3b2d70b0514f660936c92b108f0dd42902de115e Mon Sep 17 00:00:00 2001
From: Michael Waskom <mwaskom@gmail.com>
Date: Sun, 10 Sep 2023 20:59:48 -0400
Subject: [PATCH] Remove legend_func class attribute

---
 seaborn/_base.py       | 5 +----
 seaborn/categorical.py | 1 -
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/seaborn/_base.py b/seaborn/_base.py
index 7d7ff6490e..7b70fdc7a7 100644
--- a/seaborn/_base.py
+++ b/seaborn/_base.py
@@ -1203,7 +1203,7 @@ def _add_axis_labels(self, ax, default_x="", default_y=""):
             ax.set_ylabel(self.variables.get("y", default_y), visible=y_visible)
 
     def add_legend_data(
-        self, ax, func=None, common_kws=None, attrs=None, semantic_kws=None,
+        self, ax, func, common_kws=None, attrs=None, semantic_kws=None,
     ):
         """Add labeled artists to represent the different plot semantics."""
         verbosity = self.legend
@@ -1247,9 +1247,6 @@ def update(var_name, val_name, **kws):
                 update, var, verbosity, title, title_kws, names, semantic_kws.get(var),
             )
 
-        if func is None:
-            func = self._legend_func
-
         legend_data = {}
         legend_order = []
 
diff --git a/seaborn/categorical.py b/seaborn/categorical.py
index 96d060caa4..e61637e3bf 100644
--- a/seaborn/categorical.py
+++ b/seaborn/categorical.py
@@ -45,7 +45,6 @@ class _CategoricalPlotter(VectorPlotter):
     wide_structure = {"x": "@columns", "y": "@values"}
     flat_structure = {"y": "@values"}
 
-    _legend_func = "scatter"
     _legend_attributes = ["color"]
 
     def __init__(