fix: throw warnings if xformers or flash-attn cant be used

modeling_clip.py

@@ -203,6 +203,12 @@ class JinaCLIPPreTrainedModel(PreTrainedModel):
         if isinstance(module, nn.Linear) and module.bias is not None:
             module.bias.data.zero_()
 
+    @classmethod
+    def from_pretrained(cls, *args, **kwargs):
+        if 'torch_dtype' not in kwargs:
+            kwargs['torch_dtype'] = 'auto'
+        return super().from_pretrained(*args, **kwargs)
+
 
 class JinaCLIPTextModel(JinaCLIPPreTrainedModel):
     config_class = JinaCLIPTextConfig