Format drawing of draggable legend in on_release into a single line

Co-authored-by: Elliott Sales de Andrade <quantum.analyst@gmail.com>

Author: vittoboa

lib/matplotlib/offsetbox.py

@@ -1507,8 +1507,7 @@ def on_release(self, event):
             self.got_artist = False
             if self._use_blit:
                 self.canvas.restore_region(self.background)
-                self.ref_artist.draw(
-                    self.ref_artist.figure._get_renderer())
+                self.ref_artist.draw(self.ref_artist.figure._get_renderer())
                 self.canvas.blit()
                 self.ref_artist.set_animated(False)