osd: remove unused import (flatten_dict)

diff --git a/collectors/osd.py b/collectors/osd.py
index e506fbd13f5fdf32724e924acc4381bee71dca6e..c835304a36c6aff39dcc3f6c9134368742e7e5b7 100644 (file)
--- a/collectors/osd.py
+++ b/collectors/osd.py
@@ -5,7 +5,7 @@ import time
 
 from collectors.base import BaseCollector
 from collectors.common import (todict, freadlines, merge_dicts,
-                               IOstat, Disk, flatten_dict)
+                               IOstat, Disk)
 
 __author__ = "Paul Cuzner"