Update ppt_chunker.py

ppt_chunker.py

@@ -129,8 +129,12 @@ def ppt_chunk(file_like, nlp):
         for i, sub_chunk in enumerate(chunk[1]):
             if type(sub_chunk) is list:
                 if sub_chunk[0] == 'Title':
+                    if ((i == 0) or (i == 1)) and (metadata_main_title != sub_chunk[1]):
+                        metadata_main_title = sub_chunk[1]
                     nb_titles += 1
                 elif sub_chunk[0] == 'UncategorizedText':
+                    if (i == 1) and (metadata_sub_title != sub_chunk[1]):
+                        metadata_sub_title = sub_chunk[1]
                     nb_sub_titles += 1
             else:
                 if (nb_titles <= 1) and (nb_sub_titles <= 1):