if self.mtime_by_filename.get(filename, 0) != mtime:
md5 = file_utils.get_file_md5(filename)
logger.debug(f'Computed/stored {filename}\'s MD5 at ts={mtime} ({md5})')
if self.mtime_by_filename.get(filename, 0) != mtime:
md5 = file_utils.get_file_md5(filename)
logger.debug(f'Computed/stored {filename}\'s MD5 at ts={mtime} ({md5})')