fix style checking errs.

Change-Id: I6f56dd2b99eb912c7a2a3191f5efd8139bbccd33

utils/baseline_eval.py

@@ -19,12 +19,14 @@
 from brc_eval import compute_metrics_from_list
 
 EMPTY = ''
+
 YESNO_LABELS = {
         'None': 0,
         'Yes': 1,
         'No': 2,
         'Depends': 3}
 
+
 def getid(query):
     """
     compute id.
@@ -34,6 +36,7 @@ def getid(query):
     m.update(query.encode('utf8'))
     return m.hexdigest()
 
+
 def build_yesno_golden(obj):
     """
     Get golden reference of query_id.
@@ -62,6 +65,7 @@ def build_yesno_golden(obj):
 
     return ret_list
 
+
 def build_yesno_human(obj):
     """
     Get human result.
@@ -95,6 +99,7 @@ def build_yesno_human(obj):
 
     return no_dup_list
 
+
 def build_yesno_ctrl(obj):
     """
     Get control experiment result.
@@ -115,6 +120,7 @@ def build_yesno_ctrl(obj):
 
     return ret_list
 
+
 def build_yesno_random(obj):
     """
     Get results of random model.
@@ -139,6 +145,7 @@ def build_yesno_random(obj):
 
     return ret_list
 
+
 def build_yesno_exp(obj):
     """
     Get results of experiment.
@@ -164,6 +171,7 @@ def build_yesno_exp(obj):
 
     return ret_list
 
+
 def build_normal(obj):
     """
     Normal answer result.
@@ -175,6 +183,7 @@ def build_normal(obj):
     ret_list.append(result)
     return ret_list
 
+
 def build_normal_golden(obj):
     """
     build normal golden
@@ -186,6 +195,7 @@ def build_normal_golden(obj):
     ret_list.append(result)
     return ret_list
 
+
 def merge_dict(li_pred, li_ref):
     """
     merge results.
@@ -214,6 +224,7 @@ def merge_one(a, b):
         ref_list.append(obj_ref)
     return pred_list, ref_list
 
+
 def get_metrics(pred_results, ref_results):
     """
     compute metric.
@@ -222,6 +233,7 @@ def get_metrics(pred_results, ref_results):
     metrics = compute_metrics_from_list(pred_list, ref_list, 4)
     return metrics
 
+
 def main():
     """
     The main logic.