CLN: Get rid of conditional.

Author: mpuels

pandas/formats/format.py

@@ -1840,10 +1840,8 @@ def _format_hierarchical_rows(self):
                                                  self.df.index.levels,
                                                  self.df.index.labels):
 
-                    if levels._can_hold_na:
-                        values = levels.take(labels, fill_value=True)
-                    else:
-                        values = levels.take(labels)
+                    values = levels.take(labels, allow_fill=levels._can_hold_na,
+                                         fill_value=True)
 
                     for i in spans:
                         if spans[i] > 1: