diff --git a/panwid/datatable/rows.py b/panwid/datatable/rows.py
index <HASH>..<HASH> 100644
--- a/panwid/datatable/rows.py
+++ b/panwid/datatable/rows.py
@@ -1,5 +1,4 @@
 import functools
-from collections import MutableMapping
 import itertools
 
 import urwid
Remove unnecessary (and now incompatible) import from rows.py