<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def daemons(self):
 """ List of daemons for this module """

        for attr in dir(self):
            field = getattr(self, attr)
            if isinstance(field, Daemon):
                yield field