Python scripts not running using parrot

[Esash]

After installing pynie, i tried to run simple hello world program and encountered the following error :

root@CN:/home/ubuntu/pynie# ./pynie
Pynie: a Python compiler for Parrot.
>>> print ("Hello World")
Null PMC access in get_attr_str()
>>>

root@CN:/home/ubuntu/pynie# ./pynie hello.py
Null PMC access in get_attr_str()
current instr.: 'pynie;Pynie;Grammar;TOP' pc 470 (include/gen_grammar.pir:95)
called from Sub 'pynie;PCT;HLLCompiler;parse' pc 821 (compilers/pct/src/PCT/HLLCompiler.pir:458)
called from Sub 'pynie;PCT;HLLCompiler;compile' pc 459 (compilers/pct/src/PCT/HLLCompiler.pir:326)
called from Sub 'pynie;PCT;HLLCompiler;eval' pc 1076 (compilers/pct/src/PCT/HLLCompiler.pir:577)
called from Sub 'pynie;PCT;HLLCompiler;evalfiles' pc 1496 (compilers/pct/src/PCT/HLLCompiler.pir:759)
called from Sub 'pynie;PCT;HLLCompiler;command_line' pc 1721 (compilers/pct/src/PCT/HLLCompiler.pir:874)
root@CN:/home/ubuntu/pynie#

Please advise.

Esash