code: def __hash__(self):
      return hash(self.uri)
  
imports: import pprint
  from collections import OrderedDict, namedtuple
  import six
  import numpy
  import scipy.sparse
  from six.moves.urllib.parse import urlparse
  from pagerank import pagerank
label_desc: Use image node_id 3 for calling the Link obj's underlying member method code with example usage: obj.__hash__() and returns: hash