code: def test_get_vertex_imbalance_and_count(reporter, partitioning):
      partitioning, args = partitioning
      vertex_imb, vertex_cnt = reporter.get_vertex_imbalance_and_count(
          partitioning, vertex_count=True
      )
      assert (
          vertex_imb == 0
      ), "Vertex imbalance should be 0, instead got {}.".format(
          vertex_imb
      )
      assert vertex_cnt == [
          10,
          10,
      ], "Vertex count is {}, expected [10, 10]".format(vertex_cnt)
  
file_path: AmpliGraph/tests/ampligraph/datasets/test_partitioning_reporter.py
imports: from ampligraph.datasets.partitioning_reporter import PartitioningReporter
  from ampligraph.datasets.graph_partitioner import NaiveGraphPartitioner, GraphDataLoader
  import pytest
  import mock
  from pytest_mock import mocker
  import pandas
  import numpy
label_desc: Use image node_id 10 for calling a global function with example usage: test_get_vertex_imbalance_and_count(reporter, partitioning) without return types