code: def hash(token, num_buckets):
      """
      Unsigned 32 bit murmurhash for feature hashing.
      """
      return murmurhash3_32(token, positive=True) % num_buckets
  
file_path: ParlAI/parlai/agents/tfidf_retriever/utils.py
imports: import regex
  import unicodedata
  import numpy
  import scipy.sparse
  from sklearn.utils import murmurhash3_32
label_desc: Use image node_id 3 for calling a global function with example usage: hash(token, num_buckets) and returns: unknown