r = '(((a)))'

def test():
        import pdb
        pdb.set_trace()
        a = parser.expr(r) 
        b = parser.ast2tuple(a, line_info=1)
        print b
        print Transformer().compile_node(b)

from threading import Thread
import parser
from compiler.transformer import Transformer
from compiler import parse
t = Thread(target = test)
t.start()
t.join()