[Solved] What is my mistake?

from bulbs.config import Config, DEBUG from bulbs.rexster import Graph from bulbs.titan import Graph config = Config(‘http://localhost:8182/graphs/ramgraph’) g = Graph(config) class inser_class(): ponnapu = g.vertices.create(name=”reddy”, age=”26″, state=”TELNGANA”, mobn=”111111111″) pr = g.vertices.create(name=”ramnath” ,age=”25″ , state=”TELNGANA”, mobn=”1111111″) tanu = g.vertices.create (name=”ponnapu”,age=”27″,state=”AP”,mobn=”11111111111111″) g.edges.create(pr, “knows”, tanu) g.edges.create(pr, “friends”, ponnapu) g.edges.create(ponnapu, “dontknow”,tanu) solved What is my mistake?