code: def setUp(self):
      # Instead of random points, use deterministic, pseudo-random Halton
      # sequences for repeatability sake.
      self.coords = zip(
          list(islice(halton(5), 20, 120)),
          list(islice(halton(7), 20, 120)),
      )
  
file_path: shapely/shapely/tests/legacy/test_union.py
imports: import random
  import unittest
  from functools import partial
  from itertools import islice
  import pytest
  from shapely.errors import ShapelyDeprecationWarning
  from shapely.geometry import MultiPolygon, Point
  from shapely.ops import cascaded_union, unary_union
label_desc: Use image node_id 2 for calling the UnionTestCase obj's underlying member method code with example usage: obj.setUp() without return types