fix apply doctest

Author: tswast

third_party/bigframes_vendored/pandas/core/series.py

@@ -1783,7 +1783,7 @@ def apply(
             dtype: Int64
 
             >>> hours = minutes.apply(minutes_to_hours)  # doctest: +SKIP
-            >>> hours
+            >>> hours  # doctest: +SKIP
             0    0.0
             1    0.5
             2    1.0