class_docstr: Example event timer to measure step and observation times.
class_docstr_tok: ["Example","event","timer","to","measure","step","and","observation","times","."]
code: def __exit__(
      self, unused_exception_type, unused_exc_value, unused_traceback
  ):
      pass
  
file_path: pysc2/pysc2/lib/metrics.py
label_desc: Use image node_id 2 for calling the _EventTimer obj's underlying member method code with example usage: obj.__exit__(unused_exception_type, unused_exc_value, unused_traceback) without return types