def getInstalledConfig(installDir, configFile):
    """
    Reads config from the installation directory of Plenum.

    :param installDir: installation directory of Plenum
    :param configFile: name of the configuration file
    :raises: FileNotFoundError
    :return: the configuration as a python object
    """
    configPath = os.path.join(installDir, configFile)
    if not os.path.exists(configPath):
        raise FileNotFoundError("No file found at location {}".
                                format(configPath))
    spec = spec_from_file_location(configFile, configPath)
    config = module_from_spec(spec)
    spec.loader.exec_module(config)
    return config
Reads config from the installation directory of Plenum.

    :param installDir: installation directory of Plenum
    :param configFile: name of the configuration file
    :raises: FileNotFoundError
    :return: the configuration as a python object