Fix small things

abp/graphstate.py

@@ -17,13 +17,12 @@ class GraphState(NXGraph):
         self.adj, self.node = {}, {}
         self.add_nodes(nodes)
 
-    def add_node(self, v, position = None, meta = {}):
+    def add_node(self, v, **kwargs):
         """ Add a node """
         assert not v in self.node
         self.adj[v] = {}
-        self.node[v] = {"vop": clifford.by_name["hadamard"],
-                         "position": position}
-        self.node[v].update(meta)
+        self.node[v] = {"vop": clifford.by_name["hadamard"]}
+        self.node[v].update(kwargs)
 
     def add_nodes(self, nodes):
         """ Add a buncha nodes """

tests/test_nxgraphstate.py

@@ -4,8 +4,8 @@ import networkx as nx
 
 def simple_test():
     g = GraphState()
-    g.add_node(0, xyz(0, 0, 0))
-    g.add_node(1, xyz(0, 0, 0))
+    g.add_node(0, position = xyz(10, 0, 0))
+    g.add_node(1, position = xyz(1, 0, 0))
     g.act_hadamard(0)
     g.act_hadamard(1)
     g.act_cz(0, 1)