There is no nose plugin any more

jkseppan · jkseppan · commit 6007b378a523 · 2017-02-20T14:44:44.000+02:00
diff --git a/lib/matplotlib/testing/_conversion_cache.py b/lib/matplotlib/testing/_conversion_cache.py
@@ -3,8 +3,8 @@
 pdf files, to reduce test suite running times for svg and pdf files
 that stay exactly the same from one run to the next.
 
-There is a corresponding nose plugin in testing/nose/plugins and
-similar pytest code in conftest.py.
+The test setup in matplotlib.tests.conftest sets this up for image
+comparison tests and allows specifying the maximum cache size.
 """
 
 from __future__ import (absolute_import, division, print_function,
