Fix another error with anonimous user

.gitignore

@@ -5,3 +5,5 @@
 db.sqlite3
 db.sqlite3-journal
 .idea/*
+venv*
+

sopds_web_backend/views.py

@@ -373,7 +373,7 @@ def CatalogsView(request):
               'registerdate': row.registerdate, 'id': row.id, 'annotation': strip_tags(row.annotation), \
               'docdate': row.docdate, 'format': row.format, 'title': row.title, 'filesize': row.filesize//1000,\
               'authors':row.authors.values(), 'genres':row.genres.values(), 'series':row.series.values(), 'ser_no':row.bseries_set.values('ser_no'),\
-              'readtime': row.bookshelf_set.filter(user=request.user).values('readtime')
+              'readtime': row.bookshelf_set.filter(user=request.user).values('readtime') if config.SOPDS_AUTH else None
              }
         items.append(p)