[FIX]mass_editing:Fixed travis error.

mass_editing/hooks.py

@@ -4,5 +4,6 @@
 
 
 def uninstall_hook(cr, registry):
-    cr.execute("DELETE FROM ir_act_window WHERE res_model = 'mass.editing.wizard'")
+    cr.execute("DELETE FROM ir_act_window WHERE res_model = \
+    'mass.editing.wizard'")
     return True