diff -r 6b3523f81f42 -r 26744ad37953 cubicweb/entities/sources.py
--- a/cubicweb/entities/sources.py	Fri Apr 05 17:21:14 2019 +0200
+++ b/cubicweb/entities/sources.py	Fri Apr 05 17:58:19 2019 +0200
@@ -21,8 +21,6 @@
 from socket import gethostname
 import logging
 
-from six import text_type
-
 from logilab.common.textutils import text_to_dict
 from logilab.common.configuration import OptionError
 from logilab.mtconverter import xml_escape