def is_string_or_number(value):

    if value is None:
        return

    if not isinstance(value, (str, int, float, complex)):
        return c('string_or_number')
Install a list of plugins into a packaged Girder environment. This first
dataset/ETHPy150Open heiskr/sagefy/server/modules/validations.py/is_string_or_number--crossover with--dataset/ETHPy150Open girder/girder/girder/utility/install.py/install_plugin