diff --git a/sh_scrapy/middlewares.py b/sh_scrapy/middlewares.py
index 848ad77..6b93d3e 100644
--- a/sh_scrapy/middlewares.py
+++ b/sh_scrapy/middlewares.py
@@ -15,11 +15,11 @@
 
 class HubstorageSpiderMiddleware(object):
     """Hubstorage spider middleware.
-    
+
     What it does:
-    
+
     - Sets parent request ids to the requests coming out of the spider.
-    
+
     """
 
     def __init__(self):
@@ -27,23 +27,26 @@ def __init__(self):
 
     def process_spider_output(self, response, result, spider):
         parent = self._seen_requests.pop(response.request, None)
+        print(f"[SpiderMw] parent={parent}")
         for x in result:
+            print(f"[SpiderMw] result={x}")
             if isinstance(x, Request):
                 x.meta[HS_PARENT_ID_KEY] = parent
                 # Remove request id if it was for some reason set in the request coming from Spider.
+                print(f"[SpiderMw] x.meta={x.meta}")
                 x.meta.pop(HS_REQUEST_ID_KEY, None)
             yield x
 
 
 class HubstorageDownloaderMiddleware(object):
     """Hubstorage dowloader middleware.
-    
+
     What it does:
-    
+
     - Generates request ids for all downloaded requests.
     - Sets parent request ids for requests generated in downloader middlewares.
     - Stores all downloaded requests into Hubstorage.
-    
+
     """
 
     def __init__(self):
@@ -55,14 +58,19 @@ def process_request(self, request, spider):
         # Check if request id is set, which usually happens for retries or redirects because
         # those requests are usually copied from the original one.
         request_id = request.meta.pop(HS_REQUEST_ID_KEY, None)
+        print(f"[DownloaderMw] parent_or_request_id={request_id}")
         if request_id is not None:
             # Set original request id or None as a parent request id.
             request.meta[HS_PARENT_ID_KEY] = request_id
+        print(f"[DownloaderMw] request.meta={request.meta}")
 
     def process_response(self, request, response, spider):
+        print(f"[DownloaderMw] request={request} parent={request.meta.setdefault(HS_PARENT_ID_KEY)}")
+
         # This class of response check is intended to fix the bug described here
         # https://github.com/scrapy-plugins/scrapy-zyte-api/issues/112
         if type(response).__name__ == "DummyResponse" and type(response).__module__.startswith("scrapy_poet"):
+            print(f"[DownloaderMw] skip")
             return response
 
         self.pipe_writer.write_request(