code: def test_get_number_of_partitions():
      n = get_number_of_partitions(3)
      assert (
          n == 6
      ), "Number of partitions should be 6, instead got {}.".format(n)
  
imports: import pytest
  from ampligraph.datasets.graph_partitioner import AbstractGraphPartitioner, RandomVerticesGraphPartitioner, RandomEdgesGraphPartitioner, SortedEdgesGraphPartitioner, NaiveGraphPartitioner, DoubleSortedEdgesGraphPartitioner, get_number_of_partitions, PARTITION_ALGO_REGISTRY, GraphDataLoader
  import numpy
  import pandas
  from scipy import special
  from itertools import permutations
  import os
label_desc: Use image node_id 7 for calling a global function with example usage: test_get_number_of_partitions() without return types