'Return low-level information about an exec command.
Args:
exec_id (str): ID of the exec instance
Returns:
(dict): Dictionary of values returned by the endpoint.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.'

@utils.minimum_version('1.16')
def exec_inspect(self, exec_id):

    if isinstance(exec_id, dict):
        exec_id = exec_id.get('Id')
    res = self._get(self._url('/exec/{0}/json', exec_id))
    return self._result(res, True)
