make black happy

Author: jlvahldiek

monai/deploy/operators/dicom_data_loader_operator.py

@@ -249,14 +249,14 @@ def populate_series_attributes(self, series, sop_instance):
             pass
 
         try:
-            tag_pixel_spacing = 'PixelSpacing'    # tag (0x0028, 0x0030)
-            tag_imager_pixel_spacing = 'ImagerPixelSpacing'    # tag (0x0018, 0x1164)
-            if tag_pixel_spacing in sop_instance: pixel_spacing_de = sop_instance[tag_pixel_spacing]
-            elif tag_imager_pixel_spacing in sop_instance: pixel_spacing_de = sop_instance[tag_imager_pixel_spacing]
+            tag_pixel_spacing = "PixelSpacing"  # tag (0x0028, 0x0030)
+            tag_imager_pixel_spacing = "ImagerPixelSpacing"  # tag (0x0018, 0x1164)
+            if tag_pixel_spacing in sop_instance:
+                pixel_spacing_de = sop_instance[tag_pixel_spacing]
+            elif tag_imager_pixel_spacing in sop_instance:
+                pixel_spacing_de = sop_instance[tag_imager_pixel_spacing]
             else:
-                raise KeyError(
-                    "Neither {tag_pixel_spacing} nor {tag_imager_pixel_spacing} in dataset header."
-                )
+                raise KeyError("Neither {tag_pixel_spacing} nor {tag_imager_pixel_spacing} in dataset header.")
             if pixel_spacing_de is not None:
                 series.row_pixel_spacing = pixel_spacing_de.value[0]
                 series.col_pixel_spacing = pixel_spacing_de.value[1]