Set is_lc_serializable to True by default.

Author: qiuosier

ads/llm/langchain/plugins/llms/oci_data_science_model_deployment_endpoint.py

@@ -357,6 +357,11 @@ def _refresh_signer(self) -> bool:
             self.auth["signer"].refresh_security_token()
             return True
         return False
+    
+    @classmethod
+    def is_lc_serializable(cls) -> bool:
+        """Return whether this model can be serialized by LangChain."""
+        return True
 
 
 class OCIModelDeploymentLLM(BaseLLM, BaseOCIModelDeployment):
@@ -449,11 +454,6 @@ def _llm_type(self) -> str:
         """Return type of llm."""
         return "oci_model_deployment_endpoint"
 
-    @classmethod
-    def is_lc_serializable(cls) -> bool:
-        """Return whether this model can be serialized by Langchain."""
-        return True
-
     @property
     def _default_params(self) -> Dict[str, Any]:
         """Get the default parameters."""