Add what's new entry and fix linting

ericpre · ericpre · commit 3816a92f0e21 · 2021-09-08T10:26:22.000+01:00
diff --git a/doc/users/next_whats_new/rotate_selector.rst b/doc/users/next_whats_new/rotate_selector.rst
@@ -0,0 +1,6 @@
+Rotating selectors
+------------------
+
+The `~matplotlib.widgets.RectangleSelector` and
+`~matplotlib.widgets.EllipseSelector` can now be rotated. The rotation is
+enabled and disabled by pressing the 'r' key.
diff --git a/lib/matplotlib/widgets.py b/lib/matplotlib/widgets.py
@@ -2090,6 +2090,7 @@ def add_default_state(self, value):
                              f'following: {keys}.')
         self._default_state.add(value)
 
+
 class SpanSelector(_SelectorWidget):
     """
     Visually select a min/max range on a single axis and call a function with
