Fix python3.x backward changes

Change-Id: Ia33d10935faa2306b19fa6082a1df8a2240ebf83
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/bin/validate_plug_ins.py b/bin/validate_plug_ins.py
index 9c0a1fd..809f17a 100755
--- a/bin/validate_plug_ins.py
+++ b/bin/validate_plug_ins.py
@@ -1,7 +1,11 @@
 #!/usr/bin/env python
 
 import sys
-import __builtin__
+try:
+    import __builtin__
+except ImportError:
+    import builtins as __builtin__
+
 import os
 
 # python puts the program's directory path in sys.path[0].  In other words,
@@ -116,7 +120,7 @@
 
     plug_in_packages_list = return_plug_in_packages_list(plug_in_dir_paths,
                                                          mch_class)
-    qpvar(plug_in_packages_list)
+    qprint_var(plug_in_packages_list)
 
     # As stated in the help text, this program must print the full paths of
     # each selected plug in.