class_docstr: Implement a tunable consistent hashing ring.
docstr: Returns an integer derived from the md5 hash of the given key.
docstr_tok: ["Returns","an","integer","derived","from","the","md5","hash","of","the","given","key","."]
code: def hashi(self, key):
      """Returns an integer derived from the md5 hash of the given key."""
      return self._hash_fn(key)
  
file_path: mars/mars/lib/uhashring/ring_meta.py
imports: from collections import Counter
  from hashlib import md5
label_desc: Use image node_id 2 for calling the MetaRing obj's underlying member method code with example usage: obj.hashi(key) and returns: self