How to use the versioneer.cmd_version function in versioneer

def get_cmdclass():
    cmds = {'version': cmd_version,
            'versioneer': cmd_update_files,
            'build': cmd_build,
            'sdist': cmd_sdist,
            }
    if 'cx_Freeze' in sys.modules:  # cx_freeze enabled?
        cmds['build_exe'] = cmd_build_exe
        del cmds['build']

    return cmds

def get_cmdclass():
    cmds = {'version': cmd_version,
            'versioneer': cmd_update_files,
            'build': cmd_build,
            'sdist': cmd_sdist,
            }
    if 'cx_Freeze' in sys.modules:  # cx_freeze enabled?
        cmds['build_exe'] = cmd_build_exe
        del cmds['build']

    return cmds

def get_cmdclass():
    return {'version': cmd_version,
            'update_files': cmd_update_files,
            'build': cmd_build,
            'sdist': cmd_sdist,
            }

def get_cmdclass():
    cmds = {'version': cmd_version,
            'versioneer': cmd_update_files,
            'build': cmd_build,
            'sdist': cmd_sdist,
            }
    if 'cx_Freeze' in sys.modules:  # cx_freeze enabled?
        cmds['build_exe'] = cmd_build_exe
        del cmds['build']

    return cmds

def get_cmdclass():
    """Returns a mapping of subcommand handlers for setup.py ."""

    cmds = {'version': cmd_version,
            'versioneer': cmd_versioneer,
            'build': cmd_build,
            'sdist': cmd_sdist,
            }
    if 'cx_Freeze' in sys.modules:  # cx_freeze enabled?
        cmds['build_exe'] = cmd_build_exe
        del cmds['build']

    return cmds

def get_cmdclass():
    return {'version': cmd_version,
            'update_files': cmd_update_files,
            'build': cmd_build,
            'sdist': cmd_sdist,
            }

def get_cmdclass():
    cmds = {'version': cmd_version,
            'versioneer': cmd_update_files,
            'build': cmd_build,
            'sdist': cmd_sdist,
            }
    if 'cx_Freeze' in sys.modules:  # cx_freeze enabled?
        cmds['build_exe'] = cmd_build_exe
        del cmds['build']

    return cmds

def get_cmdclass():
    return {'version': cmd_version,
            'update_files': cmd_update_files,
            'build': cmd_build,
            'sdist': cmd_sdist,
            }

def get_cmdclass():
    cmds = {'version': cmd_version,
            'versioneer': cmd_update_files,
            'build': cmd_build,
            'sdist': cmd_sdist,
            }
    if 'cx_Freeze' in sys.modules:  # cx_freeze enabled?
        cmds['build_exe'] = cmd_build_exe
        del cmds['build']

    return cmds