code: def _GetImportTimestamps(self, pefile_object):
      
      import_timestamps = []
      if not hasattr(pefile_object, 'DIRECTORY_ENTRY_IMPORT'):
        return import_timestamps
      for importdata in pefile_object.DIRECTORY_ENTRY_IMPORT:
        dll_name = getattr(importdata, 'dll', '')
        try:
          dll_name = dll_name.decode('ascii')
        except UnicodeDecodeError:
          dll_name = dll_name.decode('ascii', errors='replace')
        if not dll_name:
          dll_name = '<NO DLL NAME>'
  
        timestamp = getattr(importdata.struct, 'TimeDateStamp', 0)
        if timestamp:
          import_timestamps.append([dll_name, timestamp])
      return import_timestamps
docs: Retrieves timestamps from the import directory, if available.
  
      Args:
        pefile_object (pefile.PE): pefile object.
  
      Returns:
        list[int]: import timestamps.