Update split_files_to_excel.py

split_files_to_excel.py

@@ -544,7 +544,6 @@ def split_by_keywords(files, key_words, words_limit=1000):
                 for index, line in enumerate(lines):
                     print(line)
                     for key in key_words:
-                        line = line.lower()
 
                         if key in line:
                             print("Found keyword")