Update pages/chapter_index.py

pages/chapter_index.py

@@ -15,7 +15,7 @@ st.write("START num:", startrowindex_list)
 st.write("END num:", endrowindex_list)
 #df_chapters["range_of_rows"] = range((s for s in startrowindex_list), (e for e in endrowindex_list))
 #df_chapters['range_of_rows'] = df_chapters.apply(lambda row: list(range((s for s in startrowindex_list), (e for e in endrowindex_list)), axis=1))
-for s, e in (startrowindex_list, endrowindex_list):
+for s, e in zip(startrowindex_list, endrowindex_list):
     df_chapters['range_of_rows'] = df_chapters.apply(lambda row: list(range(s,e), axis=1))