Skip empty folders when parsing multiple folders

Author: MSHelm

src/spatialdata_io/readers/macsima.py

@@ -318,6 +318,9 @@ def macsima(
             for p in path.iterdir()
             if p.is_dir() and (not filter_folder_names or not any(f in p.name for f in filter_folder_names))
         ]:
+            if not len(list(p.glob("*.tif*"))):
+                warnings.warn(f"No tif files found in {p}, skipping it!", UserWarning, stacklevel=2)
+                continue
             sdatas[p.stem] = parse_processed_folder(
                 path=p,
                 imread_kwargs=imread_kwargs,