@pexdoc.pcontracts.new_contract()<EOL>def engineering_notation_suffix(obj):
try:<EOL><INDENT>assert obj in _SUFFIX_TUPLE<EOL><DEDENT>except AssertionError:<EOL><INDENT>raise ValueError(pexdoc.pcontracts.get_exdesc())<EOL><DEDENT>
r"""
    Validate if an object is an EngineeringNotationSuffix pseudo-type object.

    :param obj: Object
    :type  obj: any

    :raises: RuntimeError (Argument \`*[argument_name]*\` is not valid). The
     token \*[argument_name]\* is replaced by the *name* of the argument the
     contract is attached to

    :rtype: None