Convert to tuple out of the function body

scrapinghub · Mar 21, 2022 · 2c2ec56 · 2c2ec56
1 parent daa7929
commit 2c2ec56
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sh_scrapy/extension.py b/sh_scrapy/extension.py
@@ -24,9 +24,10 @@
     _base_item_cls = [dict, scrapy.item.Item]
     with suppress(AttributeError):
         _base_item_cls.append(scrapy.item.BaseItem)
+    _base_item_cls = tuple(_base_item_cls)
 
     def is_item(item):
-        return isinstance(item, tuple(_base_item_cls))
+        return isinstance(item, _base_item_cls)
 else:
     def is_item(item):
         return ItemAdapter.is_item(item)