made progress bar optional

PREVIOUSLY:
progress bar always showed

NOW:
progress using 'verbose=False' argument disables progress bar

semncg.py

@@ -415,7 +415,7 @@ class SemNCG(evaluate.Metric):
                                        `tokenize_sentences`=False -> references: List[List[str]]
             k (int, optional): The rank threshold used for evaluating gains (typically top-k sentences). Default is 3.
             gpu (DEVICE_TYPE, optional): Whether to use GPU for computation. Default is False.
-            verbose (bool, optional): Whether to print verbose logs. Default is False.
+            verbose (bool, optional): Whether to print verbose logs and use a progress bar. Default is False.
             batch_size (int, optional): The batch size for encoding sentences. Default is 32.
             tokenize_sentences (bool, optional): Whether to tokenize sentences. If True, sentences are tokenized before
                                                  processing. Default is True.
@@ -484,7 +484,10 @@ class SemNCG(evaluate.Metric):
             iterable_obj = zip(predictions, references, documents)
 
         out = []
-        for idx, (pred, ref, doc) in tqdm(enumerate(iterable_obj), total=N):
+        for idx, (pred, ref, doc) in tqdm(
+            enumerate(iterable_obj), 
+            total=N,
+            disable=not verbose):
 
             if not pre_compute_embeddings:  # Compute embeddings
                 ref_sentences = tokenize_and_prep_document(ref, tokenize_sentences)