Fix warning: Expected type 'bool', got 'int' instead (#4940)

* Fix warning: Expected type 'bool', got 'int' instead

* Update defer.py

scrapy/pipelines/media.py

@@ -86,7 +86,7 @@ class MediaPipeline:
         info = self.spiderinfo
         requests = arg_to_iter(self.get_media_requests(item, info))
         dlist = [self._process_request(r, info, item) for r in requests]
-        dfd = DeferredList(dlist, consumeErrors=1)
+        dfd = DeferredList(dlist, consumeErrors=True)
         return dfd.addCallback(self.item_completed, item, info)
 
     def _process_request(self, request, info, item):

scrapy/utils/defer.py

@@ -105,7 +105,7 @@ def process_parallel(callbacks, input, *a, **kw):
     callbacks
     """
     dfds = [defer.succeed(input).addCallback(x, *a, **kw) for x in callbacks]
-    d = defer.DeferredList(dfds, fireOnOneErrback=1, consumeErrors=1)
+    d = defer.DeferredList(dfds, fireOnOneErrback=True, consumeErrors=True)
     d.addCallbacks(lambda r: [x[1] for x in r], lambda f: f.value.subFailure)
     return d