Move ServerAASFromJsonDecoder import to module level in provider.py

Author: zrgt

server/app/model/provider.py

@@ -5,6 +5,7 @@
 from basyx.aas import model
 from basyx.aas.model import provider as sdk_provider
 
+from app.adapter import ServerAASFromJsonDecoder
 from app.model import descriptor
 
 PathOrIO = Union[Path, IO]
@@ -58,8 +59,6 @@ def load_directory(directory: Union[Path, str]) -> DictDescriptorStore:
     :param directory: Path to the directory containing JSON descriptor files
     :return: Populated :class:`DictDescriptorStore`
     """
-    from app.adapter import ServerAASFromJsonDecoder
-
     store = DictDescriptorStore()
     directory = Path(directory)