is_module_invalid
FunctionPrivateSource
flag: bool = is_module_invalid(
    module: ModuleType
)
Check whether the given module is invalid or not.
An invalid module does not provide any functionalities but only serves as a placeholder.
Arguments
Requires
| Argument | Type | Required | |
|---|---|---|---|
| module | ModuleType | The module to be checked. | 
Returns
| Argument | Type | |
|---|---|---|
| flag | bool | If this flag is True, the module will be notated asModulePlaceholder, i.e. the module will be marked as invalid. Otherwise, the module should be usable. |