code: def test_timer_format(t):
      assert str(t) == "0.0000"
      assert str(t.interval) == "0"
  
file_path: recommenders/tests/unit/recommenders/utils/test_timer.py
imports: import time
  import pytest
  from recommenders.utils.timer import Timer
label_desc: Use image node_id 6 for calling a global function with example usage: test_timer_format(t) without return types