Fix ruff-format: add blank lines after local imports

Author: claude

src/datajoint/external.py

@@ -90,6 +90,7 @@ def s3(self):
         )
         # For backward compatibility, return a legacy s3.Folder if needed
         from . import s3
+
         if not hasattr(self, "_s3_legacy") or self._s3_legacy is None:
             self._s3_legacy = s3.Folder(**self.spec)
         return self._s3_legacy

src/datajoint/storage.py

@@ -139,6 +139,7 @@ def put_file(self, local_path: str | Path, remote_path: str | PurePosixPath, met
         if self.protocol == "file":
             # For local filesystem, use safe copy with atomic rename
             from .utils import safe_copy
+
             Path(full_path).parent.mkdir(parents=True, exist_ok=True)
             safe_copy(local_path, full_path, overwrite=True)
         else:
@@ -161,6 +162,7 @@ def get_file(self, remote_path: str | PurePosixPath, local_path: str | Path):
 
         if self.protocol == "file":
             from .utils import safe_copy
+
             safe_copy(full_path, local_path)
         else:
             self.fs.get_file(full_path, str(local_path))
@@ -178,6 +180,7 @@ def put_buffer(self, buffer: bytes, remote_path: str | PurePosixPath):
 
         if self.protocol == "file":
             from .utils import safe_write
+
             Path(full_path).parent.mkdir(parents=True, exist_ok=True)
             safe_write(full_path, buffer)
         else: