fixed relative path error

modeling_ablang2paired.py

@@ -7,7 +7,7 @@ from transformers import PreTrainedModel
 try:
     # Try the relative import first (for Hugging Face Hub loading)
     from .ablang2.models.ablang2.ablang import AbLang as AbLang2
-    from .ablang2.configuration_ablang2paired import AbLang2PairedConfig
+    from .configuration_ablang2paired import AbLang2PairedConfig
 except ImportError:
     # Fallback for local development
     from ablang2.models.ablang2.ablang import AbLang as AbLang2