environment/share/doc/ipython/examples/parallel/interengine/bintree_script.py
def connect(com, peers, tree, pub_url, root_id):
    """this function will be called on the engines"""
    com.connect(peers, tree, pub_url, root_id)
def connect(com, peers, tree, pub_url, root_id):
    """this function will be called on the engines"""
    com.connect(peers, tree, pub_url, root_id)
this function will be called on the engines