code: def __make_storeable_patch_patchable(self, patch):
          
  
          new_patch = {}
          for key in patch:
              new_patch[key.replace("|", ".")] = patch[key]
  
          return new_patch
docs: Replace all pipes with dots, transform back into the a namespace path.
          This is done before the $set query is applied to the document
  
          :param dict patch: The patch that is to be prepared to be applied