<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _import_marshaller_modules(self, m):
 """ Imports the modules required by the marshaller. Parameters m : marshaller The marshaller to load the modules for. Returns ------- success : bool Whether the modules `m` requires could be imported successfully or not. """

        try:
            for name in m.required_modules:
                if name not in sys.modules:
                    if _has_importlib:
                        importlib.import_module(name)
                    else:
                        __import__(name)
        except ImportError:
            return False
        except:
            raise
        else:
            return True