Fix regression in docstring.dedent_interpd.

anntzer · anntzer · commit 8b9bb2c1c26b · 2019-02-08T01:25:19.000+01:00
See e.g. the docstring of `Axes.__init__`.
diff --git a/lib/matplotlib/docstring.py b/lib/matplotlib/docstring.py
@@ -112,7 +112,7 @@ def do_copy(target):
 
 def dedent_interpd(func):
     """Dedent *func*'s docstring, then interpolate it with ``interpd``."""
-    func.__doc__ = inspect.getdoc(func.__doc__)
+    func.__doc__ = inspect.getdoc(func)
     return interpd(func)
 
 
