def python_one_liner_max_rss(self, one_liner_str):
        """
        Runs the passed python one liner (just the code) and returns how much max cpu memory was used to run the
        program.

        Args:
            one_liner_str (`string`):
                a python one liner code that gets passed to `python -c`

        Returns:
            max cpu memory bytes used to run the program. This value is likely to vary slightly from run to run.

        Requirements:
            this helper needs `/usr/bin/time` to be installed (`apt install time`)

        Example:

        ```
        one_liner_str = 'from transformers import AutoModel; AutoModel.from_pretrained("t5-large")'
        max_rss = self.python_one_liner_max_rss(one_liner_str)
        ```
        """

        if not cmd_exists("/usr/bin/time"):
            raise ValueError("/usr/bin/time is required, install with `apt install time`")

        cmd = shlex.split(f"/usr/bin/time -f %M python -c '{one_liner_str}'")
        with CaptureStd() as cs:
            execute_subprocess_async(cmd, env=self.get_env())
        # returned data is in KB so convert to bytes
        max_rss = int(cs.err.split("\n")[-2].replace("stderr: ", "")) * 1024
        return max_rss

        Runs the passed python one liner (just the code) and returns how much max cpu memory was used to run the
        program.

        Args:
            one_liner_str (`string`):
                a python one liner code that gets passed to `python -c`

        Returns:
            max cpu memory bytes used to run the program. This value is likely to vary slightly from run to run.

        Requirements:
            this helper needs `/usr/bin/time` to be installed (`apt install time`)

        Example:

        ```
        one_liner_str = 'from transformers import AutoModel; AutoModel.from_pretrained("t5-large")'
        max_rss = self.python_one_liner_max_rss(one_liner_str)
        ```
        
dpkd/transformers/src/transformers/testing_utils.py