Deprecate obsolete 'plugins.directory' rcparam.

anntzer · anntzer · commit c3267a2bfa48 · 2018-01-21T16:16:18.000-08:00
git log shows that this has been obsolete since *at least* 2010.
diff --git a/lib/matplotlib/__init__.py b/lib/matplotlib/__init__.py
@@ -845,7 +845,7 @@ def gen_candidates():
 
 _deprecated_ignore_map = {'nbagg.transparent': 'figure.facecolor'}
 
-_obsolete_set = {'text.dvipnghack'}
+_obsolete_set = {'plugins.directory', 'text.dvipnghack'}
 
 # The following may use a value of None to suppress the warning.
 _deprecated_set = {'axes.hold'}  # do NOT include in _all_deprecated
