code: def test_recall_at_10():
      value = recall_at(10)
      assert value >= 0.65
  
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 7 for calling a global function with example usage: test_recall_at_10() without return types