precommit check changes

Author: Kenil Mehta

asv_bench/benchmarks/frame_methods.py

@@ -562,13 +562,15 @@ def setup(self):
     def time_frame_nunique(self):
         self.df.nunique()
 
+
 class SeriesNuniqueWithNan:
     def setup(self):
         self.ser = Series(100000 * (100 * [np.nan] + list(range(100)))).astype(float)
 
     def time_series_nunique_nan(self):
         self.ser.nunique()
 
+
 class Duplicated:
     def setup(self):
         n = 1 << 20