code: def _get_n_reps(n_reps):
      if n_reps is None:
          return random.randint(2, 5)
  
      return n_reps
  
imports: import random
  import numpy
  import pytest
  import scipy
  import geomstats.backend
  from geomstats.test.test_case import TestCase
  from geomstats.test.vectorization import generate_vectorization_data
label_desc: Use image node_id 5 for calling a global function with example usage: _get_n_reps(n_reps) and returns: n_reps, random