Index: matplotlib-3.5.3/lib/matplotlib/tests/test_cbook.py
===================================================================
--- matplotlib-3.5.3.orig/lib/matplotlib/tests/test_cbook.py
+++ matplotlib-3.5.3/lib/matplotlib/tests/test_cbook.py
@@ -52,7 +52,7 @@ class Test_delete_masked_points:
 
 
 class Test_boxplot_stats:
-    def setup(self):
+    def setup_method(self):
         np.random.seed(937)
         self.nrows = 37
         self.ncols = 4
@@ -178,7 +178,7 @@ class Test_boxplot_stats:
 
 
 class Test_callback_registry:
-    def setup(self):
+    def setup_method(self):
         self.signal = 'test'
         self.callbacks = cbook.CallbackRegistry()
 
Index: matplotlib-3.5.3/lib/matplotlib/tests/test_mlab.py
===================================================================
--- matplotlib-3.5.3.orig/lib/matplotlib/tests/test_mlab.py
+++ matplotlib-3.5.3/lib/matplotlib/tests/test_mlab.py
@@ -92,7 +92,7 @@ def test_window():
 
 
 class TestDetrend:
-    def setup(self):
+    def setup_method(self):
         np.random.seed(0)
         n = 1000
         x = np.linspace(0., 100, n)