Why the checker is so dumb, None for the typed object should be fine, and is handled.

Signed-off-by: mmelqin <[email protected]>

Author: MMelQin

monai/deploy/operators/dicom_text_sr_writer_operator.py

@@ -260,7 +260,7 @@ def save_dcm_file(data_set, file_path: Path, validate_readable: bool = True):
     # TODO: The following fucntion can considered to be moved into Domain module as it's common.
     @staticmethod
     def write_common_modules(
-        dicom_series: DICOMSeries,
+        dicom_series: Union[DICOMSeries, None],
         copy_tags: bool,
         modality_type: str,
         sop_class_uid: str,