Fixing typos.

Author: umarbutler

src/semchunk/semchunk.py

@@ -58,7 +58,7 @@ def merge_splits(splits: list[str], chunk_size: int, splitter: str, token_counte
     low = 0
     high = len(splits) + 1
     cumulative_lengths = list(accumulate([len(split) for split in splits], initial=0))
-    cumulative_lengths.append(cumulative_lengths[-1],) 
+    cumulative_lengths.append(cumulative_lengths[-1])
 
     while low < high:
         i = bisect_left(cumulative_lengths[low : high + 1], chunk_size * average)