code: def all_edges_consistent(graph):
      
      return all(
          is_edge_consistent(graph, u, v)
          for u, v in graph.edges()
      )
docs: Return if all edges are consistent in a graph. Wraps :func:`pybel_tools.utils.is_edge_consistent`.
  
      :param pybel.BELGraph graph: A BEL graph
      :return: Are all edges consistent
      :rtype: bool