all options checked, failures are fixed and all tests passed

sbb_newspapers_org_image/utils/contour.py

@@ -43,7 +43,6 @@ def get_text_region_boxes_by_given_contours(contours):
 
 def filter_contours_area_of_image(image, contours, hirarchy, max_area, min_area):
     found_polygons_early = list()
-
     jv = 0
     for c in contours:
         if len(c) < 3:  # A polygon cannot have less than 3 points

sbb_newspapers_org_image/utils/xml.py

@@ -58,4 +58,5 @@ def xml_reading_order(page, order_of_texts, id_of_texts, id_of_marginalia, found
         name.set('index', str(indexer_region))
         name.set('regionRef', 'r%s' % indexer_region)
         indexer_region += 1
+    return id_of_marginalia