+ _UserString = imp.load_module('UserString',
+ *imp.find_module('UserString'))
+ collections.UserString = _UserString.UserString
+ del _UserString
+
+
+try:
+ import dbm
+except ImportError:
+ dbm = import_as('_scons_dbm', 'dbm')
+try:
+ dbm.whichdb
+except AttributeError:
+ # Pre-3.0 Python has no dbm.whichdb function.
+ import whichdb
+ dbm.whichdb = whichdb.whichdb
+ del whichdb