`add_node` is a constant annoyance :rage4:

NetworkX provides `add_node`, we don't, leads to missing
`graph.node["vop"]`. Does this fix it?

abp/graphstate.py

@@ -42,6 +42,11 @@ class GraphState(object):
                 for n in range(data):
                     self._add_node(n, vop=vop)
 
+    def add_node(self, *args, **kwargs):
+        """ Add a node """
+        self._add_node(self, *args, **kwargs)
+
+
     def _add_node(self, node, **kwargs):
         """ Add a node. By default, nodes are initialized with ``vop=``:math:`I`, i.e. they are in the :math:`|+\\rangle` state.
 

bin/abpserver

@@ -26,6 +26,9 @@ def new_message(client, server, message):
         print edit
     else:
         print "Received update from python {}.".format(client["id"])
+        print message
+        local_state.from_json(json.loads(message))
+        print local_state
         server.send_message_to_all(message)
 
 def new_client(client, server):