code: def testDivideZero(self):
      sw = stopwatch.StopWatch()
      with sw("zero"):
          pass
  
      # Just make sure this doesn't have a divide by 0 for when the total is 0.
      self.assertIn("zero", str(sw))
  
file_path: pysc2/pysc2/lib/stopwatch_test.py
imports: import os
  from absl.testing import absltest
  import mock
  from pysc2.lib import stopwatch
label_desc: Use image node_id 2 for calling the StopwatchTest obj's underlying member method code with example usage: obj.testDivideZero() without return types