code: def test_lsh_remove():
      lsh = LSH(1)
      a = torch.zeros(2)
      b = torch.ones(2)
      lsh.add("a", a)
      lsh.add("b", b)
      assert lsh.nearby("a") == {"b"}
      lsh.remove("b")
      assert lsh.nearby("a") == set()
  
file_path: pyro/tests/contrib/tracking/test_hashing.py
imports: import logging
  import pytest
  import torch
  from pyro.contrib.tracking.hashing import LSH, ApproxSet, merge_points
  from tests.common import assert_equal
label_desc: Use image node_id 5 for calling a global function with example usage: test_lsh_remove() without return types