I am using "Vector Source" block. As you know, it's used with a list of ints. Of course, if I try to use more than a list, so if I use a list of lists, it gives me error:
Traceback (most recent call last):
File "/Users/user/top_block.py", line 160, in <module>
main()
File "/Users/user/top_block.py", line 148, in main
tb = top_block_cls()
File "/Users/user/top_block.py", line 90, in __init__
self.blocks_vector_source_x_0 = blocks.vector_source_c([x for x in sequence], True, 1, [])
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/s