import numpy
from gnuradio import gr
import pmt

class test_msg_py(gr.basic_block):
    """
    test_msg_py is a message sink
    """
    def __init__(self):
        gr.basic_block.__init__(self,
            name="test_msg_py",
            in_sig=None,
            out_sig=None)
        self.message_port_register_in(pmt.intern('in'))
        self.set_msg_handler(pmt.intern('in'),self.msg_handler_method)

    def msg_handler_method(self,msg):
        return