<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def init_disk_cache(self):
 """Initialize the on-disk version of the cache."""

        try:
            # Cleanup old disk cache files
            path = self.disk_cache_location
            os.remove(path)
        except Exception:
            pass
        self.disk_cache_location = os.path.join(tempfile.mkdtemp(), 'cache')