- removed unused broken imports

lib/python/SearchIndex/UnIndex.py

@@ -13,12 +13,10 @@
 
 """Simple column indices"""
 
-__version__='$Revision: 1.34 $'[11:-2]
+__version__='$Revision: 1.35 $'[11:-2]
 
 from Globals import Persistent
 from Acquisition import Implicit
-import BTree
-import IOBTree
 import string
 from zLOG import LOG, ERROR
 from types import StringType, ListType, IntType, TupleType