diff --git a/ostap/io/compress_shelve.py b/ostap/io/compress_shelve.py
index 8415606c..64383b9a 100755
--- a/ostap/io/compress_shelve.py
+++ b/ostap/io/compress_shelve.py
@@ -57,7 +57,7 @@
 import os, abc, shelve, shutil, glob, datetime
 from   sys                  import version_info           as python_version
 from   ostap.io.dbase       import dbopen, whichdb, Item 
-from   ostap.core.meta_info import meta_info, 
+from   ostap.core.meta_info import meta_info
 from   ostap.io.pickling    import ( Pickler , Unpickler, BytesIO,
                                      PROTOCOL,
                                      HIGHEST_PROTOCOL, DEFAULT_PROTOCOL )