code: def _get_current_time_from_start(self):
      return (time.time() - self.start_time) * constants.MCS_IN_SEC
  
file_path: catboost/library/python/import_tracing/lib/import_tracer.py
imports: import threading
  import time
  import collections
  import library.python.import_tracing.lib.event
  import library.python.import_tracing.lib.constants
label_desc: Use image node_id 5 for calling the ImportTracer obj's underlying member method code with example usage: obj._get_current_time_from_start() and returns: unknown