Index: wflow-py/Scripts/wflow_flood.py
===================================================================
diff -u -r58f139b2afc2424fc9f8796934878bd6e49c31de -r3d36073f779f6d9a5a34f6304d8e901b65061154
--- wflow-py/Scripts/wflow_flood.py	(.../wflow_flood.py)	(revision 58f139b2afc2424fc9f8796934878bd6e49c31de)
+++ wflow-py/Scripts/wflow_flood.py	(.../wflow_flood.py)	(revision 3d36073f779f6d9a5a34f6304d8e901b65061154)
@@ -342,7 +342,7 @@
     (options, args) = parser.parse_args()
 
     if not os.path.exists(options.inifile):
-        print('path to ini file cannot be found')
+        print("path to ini file cannot be found")
         sys.exit(1)
     options.dest_path = os.path.abspath(options.dest_path)
 
@@ -975,19 +975,30 @@
                         options.hand_file_prefix, hand_strahler
                     )
                 ds_hand, rasterband_hand = inun_lib.get_gdal_rasterband(hand_file)
-                hand = rasterband_hand.ReadAsArray(x_start - x_overlap_min,
-                                             y_start - y_overlap_min,
-                                             (x_end + x_overlap_max) - (x_start - x_overlap_min),
-                                             (y_end + y_overlap_max) - (y_start - y_overlap_min)
-                                             )
-                print(('len x-ax: {:d} len y-ax {:d} x-shape {:d} y-shape {:d}'.format(len(x_tile_ax), len(y_tile_ax), hand.shape[1], hand.shape[0])))
+                hand = rasterband_hand.ReadAsArray(
+                    x_start - x_overlap_min,
+                    y_start - y_overlap_min,
+                    (x_end + x_overlap_max) - (x_start - x_overlap_min),
+                    (y_end + y_overlap_max) - (y_start - y_overlap_min),
+                )
+                print(
+                    (
+                        "len x-ax: {:d} len y-ax {:d} x-shape {:d} y-shape {:d}".format(
+                            len(x_tile_ax), len(y_tile_ax), hand.shape[1], hand.shape[0]
+                        )
+                    )
+                )
 
-                inun_lib.gdal_writemap(hand_temp_file, 'PCRaster',
-                          x_tile_ax,
-                          y_tile_ax,
-                          hand, rasterband_hand.GetNoDataValue(),
-                          gdal_type=gdal.GDT_Float32,
-                          logging=logger)
+                inun_lib.gdal_writemap(
+                    hand_temp_file,
+                    "PCRaster",
+                    x_tile_ax,
+                    y_tile_ax,
+                    hand,
+                    rasterband_hand.GetNoDataValue(),
+                    gdal_type=gdal.GDT_Float32,
+                    logging=logger,
+                )
 
                 hand_pcr = pcr.readmap(hand_temp_file)