class_docstr: Class used for logging time metrics.
  
  This is not thread safe
class_docstr_tok: ["Class","used","for","logging","time","metrics",".","This","is","not","thread","safe"]
code: def __init__(self):
      self._start_time = None
      self._total_time = 0.0
  
file_path: evadb/evadb/utils/stats.py
imports: import time
  from dataclasses import dataclass
  from evadb.utils.logging_manager import logger
label_desc: Use image node_id 1 to create a new Timer object  with example: obj = Timer()