be throwing an error related to blocks.message_from_string. The
diff error_rate.py error_rate.py-orig
116c116
< msg = gr.message_from_string(arr.tostring(), 0, gr.sizeof_float, num)
---
> msg = blocks.message_from_string(arr.tostring(), 0, gr.sizeof_float, num)
139c139
< msg = gr.message_from_string(arr.tostring(), 0, gr.sizeof_float, num)
---
> msg = blocks.message_from_string(arr.tostring(), 0, gr.sizeof_float, num)
Just passing this along, if anyone runs into the same problem.