--- pkgutil.py	2012-07-24 10:17:19.816032662 +0530
+++ /root/pkgutil.py	2012-07-24 15:24:53.462032594 +0530
@@ -108,7 +108,9 @@
         if ispkg:
             try:
                 __import__(name)
-            except ImportError:
+            except (ImportError, RuntimeError, AttributeError):
+                #Catching the exceptions and using onerror just
+                #passing the module name.
                 if onerror is not None:
                     onerror(name)
             except Exception: