Index: gc_core/py/lang_core/gc_engine.py
==================================================================
--- gc_core/py/lang_core/gc_engine.py
+++ gc_core/py/lang_core/gc_engine.py
@@ -2,18 +2,15 @@
 Grammalecte
 Grammar checker engine
 """
 
 import re
-import sys
-import os
 import traceback
 #import unicodedata
 from itertools import chain
 
 from ..graphspell.spellchecker import SpellChecker
-from ..graphspell.tokenizer import Tokenizer
 from ..graphspell.echo import echo
 from . import gc_options
 
 try:
     # LibreOffice / OpenOffice