Use enum

Author: zliang-akamai

linode_api4/objects/linode.py

@@ -2016,7 +2016,7 @@ def linode_interfaces(self) -> Optional[list[LinodeInterface]]:
         :rtype: Optional[list[LinodeInterface]]
         """
 
-        if self.interface_generation != "linode":
+        if self.interface_generation != InterfaceGeneration.LINODE:
             return None
         if not hasattr(self, "_interfaces"):
             result = self._client.get(