def __delitem__(self, node):
        "Delete node from graph."
        node = self.pack_source(node)
        # Grr, we really need to find all edges going to this node
        # and delete them.
        try:
            del self.d[node]  # DO STUFF TO REMOVE IT HERE...
        except __HOLE__:
            raise KeyError('Node not present in mapping.')
dataset/ETHPy150Open cjlee112/pygr/pygr/mapping.py/Graph.__delitem__