Simplify Legend.get_children.

anntzer · anntzer · commit 6e04afc18aca · 2020-01-23T16:49:37.000+01:00
_legend_box is inited to a non-None value in _init_legend_box which is
called in `__init__`, so the `if self._legend_box` check is unnecessary.
diff --git a/lib/matplotlib/legend.py b/lib/matplotlib/legend.py
@@ -885,13 +885,8 @@ def draw_frame(self, b):
         self.set_frame_on(b)
 
     def get_children(self):
-        """Return the list of child artists."""
-        children = []
-        if self._legend_box:
-            children.append(self._legend_box)
-        children.append(self.get_frame())
-
-        return children
+        # docstring inherited
+        return [self._legend_box, self.get_frame()]
 
     def get_frame(self):
         """Return the `~.patches.Rectangle` used to frame the legend."""
