Update ppt_chunker.py

ppt_chunker.py

@@ -1,6 +1,6 @@
 from io import StringIO
 from typing import List
-from concurrent.futures import ThreadPoolExecutor
+from multiprocessing import Pool, cpu_count
 
 from unstructured.partition.pptx import partition_pptx
 from unstructured.cleaners.core import clean_ordered_bullets, clean_bullets, clean_non_ascii_chars
@@ -85,8 +85,8 @@ def ppt_chunk(file_like, nlp):
             
         return chunk
 
-    with ThreadPoolExecutor() as executor:
-        chunks = list(executor.map(process_chunk, chunks))
+    with Pool(cpu_count()) as pool:
+        chunks = pool.map(process_chunk, chunks)
         
     er = time.time()
     fr = er - sr