updated help string

updated help string to show default values explicitly

harim_plus.py

@@ -66,10 +66,10 @@ Args:
     For scorer.compute():
     `predictions` (list of str): generated summaries
     `references` (list of str): source articles to be summarized
-    `use_aggregator` (bool): if True, average of the scores are returned
-    `bsz` (int): batch size for harim to iterate through the given pairs
-    `return_details` (bool): whether to show more than harim+ score (returns logppl, harim term. refer to the paper for detail)
-        `tokenwise_score` (bool): whether to show tokenwise scores for input pairs (if return_details=False, this is ignored)
+    `use_aggregator` (bool=False): if True, average of the scores are returned
+    `bsz` (int=32): batch size for harim to iterate through the given pairs
+    `return_details` (bool=False): whether to show more than harim+ score (returns logppl, harim term. refer to the paper for detail)
+        `tokenwise_score` (bool=False): whether to show tokenwise scores for input pairs (if return_details=False, this is ignored)
 
 Returns:
     'results' (list of float): harim+ score for each summary-article pair