# HG changeset patch
# User Arthur Lutz <arthur.lutz@logilab.fr>
# Date 1484237056 -3600
#      Thu Jan 12 17:04:16 2017 +0100
# Node ID e6db12c7be3355f705dedfcc39329c1b85850200
# Parent  155a20154f844efa5436f26b5b092c9ee17027e1
[es] better escaping of index checking, only if index-name is not None (related #17049617)

diff --git a/es.py b/es.py
--- a/es.py
+++ b/es.py
@@ -110,7 +110,7 @@
 
     """
     try:
-        if not es.indices.exists(index=index_name):
+        if index_name and not es.indices.exists(index=index_name):
             es.indices.create(index=index_name,
                               body=settings)
     except (ConnectionError, ProtocolError):