import random, time, struct, sys, math
# from current dir
-from transmit_path_lb import transmit_path
-from receive_path_lb import receive_path
+from transmit_path import transmit_path
+from receive_path import receive_path
class my_top_block(gr.top_block):
def __init__(self, mod_class, demod_class, rx_callback, options):