Pass response_kw to HTTPConnectionPool through HTTPAdapter.send

src/requests/adapters.py

@@ -431,7 +431,7 @@ def proxy_headers(self, proxy):
         return headers
 
     def send(
-        self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None
+        self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None, **response_kwargs,
     ):
         """Sends PreparedRequest object. Returns Response object.
 
@@ -446,6 +446,7 @@ def send(
             must be a path to a CA bundle to use
         :param cert: (optional) Any user-provided SSL certificate to be trusted.
         :param proxies: (optional) The proxies dictionary to apply to the request.
+        :param response_kwargs: (optional) Additional arguments passed to HTTPConnectionPool.urlopen.
         :rtype: requests.Response
         """
 
@@ -494,6 +495,7 @@ def send(
                 retries=self.max_retries,
                 timeout=timeout,
                 chunked=chunked,
+                **response_kwargs
             )
 
         except (ProtocolError, OSError) as err: