def maybe_int(el):
try:<EOL><INDENT>return int(el)<EOL><DEDENT>except (TypeError, ValueError):<EOL><INDENT>pass<EOL><DEDENT>
Return an ``int`` if possible, otherwise ``None``.

    Args:
        el: any Python object.

    Returns:
        Union[int, NoneType]: an ``int`` parsed from the object, or ``None``.

    Examples:
        >>> maybe_int('10')
        10