Deprecate rcParams["datapath"] in favor of mpl.get_data_path().

anntzer · anntzer · commit 4c5164560b6c · 2020-03-19T00:25:38.000+01:00
The rcParam cannot be meaningfully set by the end user from their
matplotlibrc or Python code.
diff --git a/doc/api/next_api_changes/deprecations.rst b/doc/api/next_api_changes/deprecations.rst
@@ -376,3 +376,8 @@ NavigationToolbar2QT.parent
 This attribute is deprecated.  In order to access the parent window, use
 ``toolbar.canvas.parent()``.  Once the deprecation period is elapsed, it will
 also be accessible as ``toolbar.parent()``.
+
+The ``datapath`` rcParam
+~~~~~~~~~~~~~~~~~~~~~~~~
+Use `.get_data_path` instead.  (The rcParam is deprecated because it cannot be
+meaningfully set by an end user.)  This was deprecated only in 3.2.1.
