Index: /trunk/src/libs/xpcom18a4/python/vboxxpcom.py
===================================================================
--- /trunk/src/libs/xpcom18a4/python/vboxxpcom.py	(revision 68041)
+++ /trunk/src/libs/xpcom18a4/python/vboxxpcom.py	(revision 68042)
@@ -40,5 +40,5 @@
     _asNew = []
     for sCandidate in _asVBoxPythons:
-        if isdigit(sCandidate[-1:]):
+        if sCandidate[-1:].isdigit():
             _asNew.append(sCandidate + sys.abiflags)
         else: