Loads the maya plugins (not jukebox plugins) of the pipeline

    :returns: None
    :rtype: None
    :raises: None

def load_mayaplugins():
    """Loads the maya plugins (not jukebox plugins) of the pipeline

    :returns: None
    :rtype: None
    :raises: None
    """
    mpp = os.environ.get('MAYA_PLUG_IN_PATH')
    if mpp is not None:
        ';'.join([mpp, MAYA_PLUGIN_PATH])
    else:
        mpp = MAYA_PLUGIN_PATH

    # to simply load all plugins inside our plugin path, we override pluginpath temporarly
    os.environ['MAYA_PLUG_IN_PATH'] = MAYA_PLUGIN_PATH
    cmds.loadPlugin(allPlugins=True)
    # then we set the MAYA_PLUG_IN_PATH to the correct value
    # NOTE: this ignores the order of paths in MAYA_PLUG_IN_PATH completely
    os.environ['MAYA_PLUG_IN_PATH'] = mpp