<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def process(self):
 """ Apply basic cleaning functions to the Path object, in- place. """

        log.debug('Processing drawing')
        with self._cache:
            for func in self._process_functions():
                func()
        return self