fix test_empty_decimal_marker comment

Author: Camilo Cota

asv_bench/benchmarks/parser_vb.py

@@ -29,7 +29,6 @@ def setup(self):
     def time_read_csv_default_converter(self):
         read_csv(StringIO(self.data), sep=',', header=None, float_precision=None)
 
-
 class read_csv_precise_converter(object):
     goal_time = 0.2
 
@@ -109,4 +108,20 @@ def setup(self):
         self.data = (self.data * 200)
 
     def time_read_table_multiple_date_baseline(self):
-        read_table(StringIO(self.data), sep=',', header=None, parse_dates=[1])
+        read_table(StringIO(self.data), sep=',', header=None, parse_dates=[1])
+
+
+class read_csv_python_engine(object):
+    goal_time = 0.2
+
+    def setup(self):
+        self.data_decimal = '0,1213700904466425978256438611;0,0525708283766902484401839501;0,4174092731488769913994474336\n        0,4096341697147408700274695547;0,1587830198973579909349496119;0,1292545832485494372576795285\n        0,8323255650024565799327547210;0,9694902427379478160318626578;0,6295047811546814475747169126\n        0,4679375305798131323697930383;0,2963942381834381301075609371;0,5268936082160610157032465394\n        0,6685382761849776311890991564;0,6721207066140679753374342908;0,6519975277021627935170045020\n        '
+        self.data_decimal = (self.data_decimal * 200)
+        self.data = '0.1213700904466425978256438611,0.0525708283766902484401839501,0.4174092731488769913994474336\n        0.4096341697147408700274695547,0.1587830198973579909349496119,0.1292545832485494372576795285\n        0.8323255650024565799327547210,0.9694902427379478160318626578,0.6295047811546814475747169126\n        0.4679375305798131323697930383,0.2963942381834381301075609371,0.5268936082160610157032465394\n        0.6685382761849776311890991564,0.6721207066140679753374342908,0.6519975277021627935170045020\n        '
+        self.data = (self.data * 200)
+
+    def time_read_csv_default_converter_with_decimal(self):
+        read_csv(StringIO(self.data_decimal), sep=';', header=None, float_precision=None, decimal=',', engine='python')
+
+    def time_read_csv_default_converter(self):
+        read_csv(StringIO(self.data), sep=',', header=None, float_precision=None, engine='python')