code: def test_recall_at_1000_fewer_trees():
      value = recall_at(1000, n_trees=4)
      assert value >= 0.99
  
file_path: annoy/test/dot_index_test.py
imports: import random
  import numpy
  import pytest
  from annoy import AnnoyIndex
label_desc: Use image node_id 10 for calling a global function with example usage: test_recall_at_1000_fewer_trees() without return types