One mor pytype fix

Signed-off-by: M Q <mingmelvinq@nvidia.com>

Author: MMelQin

monai/deploy/operators/dicom_seg_writer_operator.py

@@ -285,7 +285,7 @@ def process_images(
             seg_image_numpy = image.asnumpy()
         elif isinstance(image, (Path, str)):
             seg_image_numpy = self._image_file_to_numpy(str(image))
-        elif not isinstance(image, np.array):
+        elif not isinstance(image, np.ndarray):
             raise ValueError("'image' is not a numpy array, Image object, or supported image file.")
 
         # Pick DICOM Series that was used as input for getting the seg image.