fix: another one

Signed-off-by: jupyterjazz <saba.sturua@jina.ai>

modeling_xlm_roberta.py

@@ -579,7 +579,7 @@ class XLMRobertaModel(XLMRobertaPreTrainedModel):
         all_embeddings = [all_embeddings[idx] for idx in inverse_permutation]
 
         if truncate_dim:
-            if not self.config.matryoshka_dimension:
+            if not self.config.matryoshka_dimensions:
                 logger.warning(
                     'Matryoshka embeddings are not supported, so dimension truncation will not be performed.'
                 )