code: def _timestamp_type_repair(df, dt_col):
      """
      This repair is used to convert object or other non datetime64 timestamp column
      to datetime dtype.
      """
      try:
          df[dt_col] = df[dt_col].astype("datetime64")
      except:
          return False
      logging.warning(
          "Datetime column has be modified to datetime64 dtype."
      )
      return True
  
file_path: BigDL/python/chronos/src/bigdl/chronos/data/utils/quality_inspection.py
imports: import pandas
  import numpy
  from bigdl.nano.utils.common import invalidInputError
  import logging
label_desc: Use image node_id 3 for calling a global function with example usage: _timestamp_type_repair(df, dt_col) and returns: True, False