MNT: still use Agg for test but avoid pillow

tacaswell · web-flow · commit 9334f834212c · 2023-03-30T14:09:57.000-04:00
diff --git a/lib/matplotlib/tests/test_font_manager.py b/lib/matplotlib/tests/test_font_manager.py
@@ -340,7 +340,7 @@ def inner():
         with BytesIO() as out:
             with warnings.catch_warnings():
                 warnings.filterwarnings('ignore')
-                fig.savefig(out, format='svg')
+                fig.savefig(out, format='raw')
 
     inner()
 
