Reformat common to standardized format

Change-Id: I9ba54f3510e17de285e1e774d18ee5c7205818ad
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/osm_common/fsbase.py b/osm_common/fsbase.py
index e15f7a5..219dbe1 100644
--- a/osm_common/fsbase.py
+++ b/osm_common/fsbase.py
@@ -31,7 +31,7 @@
 
 
 class FsBase(object):
-    def __init__(self, logger_name='fs', lock=False):
+    def __init__(self, logger_name="fs", lock=False):
         """
         Constructor of FsBase
         :param logger_name: logging name