def has_edge(self, u, v):
        try:
            return v in self.adj[u]
        except KeyError:
            return False
Apply axis titles to the figure.
dataset/ETHPy150Open networkx/networkx/networkx/classes/tests/timingclasses.py/TimingGraph.has_edge--crossover with--dataset/ETHPy150Open wrobstory/vincent/vincent/visualization.py/Visualization.axis_titles