resolving issue https://github.com/qurator-spk/sbb_textline_detection/issues/53

qurator/sbb_textline_detector/main.py

@@ -2066,7 +2066,7 @@ class textline_detector:
         gc.collect()
         t2=time.time()
         
-        
+        try:
             try:
                 # extract text regions and corresponding contours and surrounding box
                 text_regions=self.extract_text_regions(image_page)
@@ -2149,6 +2149,13 @@ class textline_detector:
                 print( "time needed to get slopes of regions (deskewing) = "+"{0:.2f}".format(t5-t4) )
                 print( "time needed to get order of regions = "+"{0:.2f}".format(t6-t5) )
                 print( "time needed to implement deskewing = "+"{0:.2f}".format(t7-t6) )
+        except:
+            contours=[]
+            order_of_texts=None
+            id_of_texts=None
+            self.write_into_page_xml(contours,page_coord,self.dir_out , order_of_texts , id_of_texts)
+            print( "time total = "+"{0:.2f}".format(time.time()-t1) )
+