code: def remove(self, rel_path, propagate=False):
          '''Delete the file from the cache, and from the upstream'''
  
          key = self._get_boto_key(rel_path)
          if key:
              key.delete(f remove(self, rel_path, propagate=False):
          '''Delete the file from the cache, and from the upstream'''
  
          key = self._get_boto_key(rel_path)
          if key:
              key.delete()
docs: Delete the file from the cache, and from the upstream