code: def conv_longdate_to_str(longdate, local_tz=True):
      date_time = datetime.datetime.fromtimestamp(longdate / 1000.0)
      str_long_date = date_time.strftime("%Y-%m-%d %H:%M:%S")
      if local_tz:
          str_long_date += " " + reference.LocalTimezone().tzname(
              date_time
          )
  
      return str_long_date
  
file_path: mlflow/mlflow/utils/time.py
imports: import datetime
  import time
  from pytz import reference
label_desc: Use image node_id 2 for calling a global function with example usage: conv_longdate_to_str(longdate, local_tz) and returns: str_long_date