@classmethod<EOL><INDENT>def get_cpus_by_arch(cls, arch):<DEDENT>
with open('<STR_LIT>', '<STR_LIT:r>') as cpu_map:<EOL><INDENT>cpu_xml = ET.parse(cpu_map)<EOL><DEDENT>try:<EOL><INDENT>return cpu_xml.xpath('<STR_LIT>'.format(arch))[<NUM_LIT:0>]<EOL><DEDENT>except IndexError:<EOL><INDENT>raise LagoException('<STR_LIT>'.format(arch))<EOL><DEDENT>
Get all CPUs info by arch

Args:
    arch(str): CPU architecture

Returns:
    lxml.etree.element: CPUs by arch XML

Raises:
    :exc:`~LagoException`: If no such ARCH is found