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authorChris McDonough <chrism@plope.com>2011-12-14 20:39:21 -0500
committerChris McDonough <chrism@plope.com>2011-12-14 20:39:21 -0500
commit3ee1022068481dea058064cf28c4bc114ca6bd51 (patch)
tree3353066003111f51d4dd6d36de82af968fd27b5a /docs/whatsnew-1.3.rst
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parentc45c29fe5ce316d42965e5a84a1fb195a5320456 (diff)
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@@ -101,6 +101,16 @@ actually recommended if you rely on proxying from Apache or Nginx to a
``pserve`` -invoked application. **The wsgiref server is not a production
quality server.** See :ref:`alternate_wsgi_server` for more information.
+.. warning::
+
+ Previously, paste.httpserver "helped" by converting header values that weren't
+ strings to strings. The wsgiref server, on the other hand implements the spec
+ more fully. This specifically may affect you if you are modifying headers on
+ your response. The following error might be an indicator of this problem:
+ **AssertionError: Header values must be strings, please check the type of
+ the header being returned.** A common case would be returning unicode headers
+ instead of string headers.
+
A new :mod:`pyramid.compat` module was added which provides Python 2/3
straddling support for Pyramid add-ons and development environments.