We need one patch on top of 0.3.8 for compatibility with Werkzeug 1.0.

Taken from upstream:
https://github.com/flask-restful/flask-restful/commit/73376a488907af3042b52678ac4c23f8a8911e5b

diff --git a/tests/test_api.py b/tests/test_api.py
index f7f8e661..6795d362 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -445,7 +445,9 @@ def test_handle_non_api_error(self):
 
         resp = app.get("/foo")
         self.assertEquals(resp.status_code, 404)
-        self.assertEquals('text/html', resp.headers['Content-Type'])
+        # in newer versions of werkzeug this is `text/html; charset=utf8`
+        content_type, _, _ = resp.headers['Content-Type'].partition(';')
+        self.assertEquals('text/html', content_type)
 
     def test_non_api_error_404_catchall(self):
         app = Flask(__name__)
diff --git a/tests/test_reqparse.py b/tests/test_reqparse.py
index 2f1fbedf..9776f17c 100644
--- a/tests/test_reqparse.py
+++ b/tests/test_reqparse.py
@@ -2,9 +2,9 @@
 import unittest
 from mock import Mock, patch
 from flask import Flask
-from werkzeug import exceptions, MultiDict
+from werkzeug import exceptions
 from werkzeug.wrappers import Request
-from werkzeug.datastructures import FileStorage
+from werkzeug.datastructures import FileStorage, MultiDict
 from flask_restful.reqparse import Argument, RequestParser, Namespace
 import six
 import decimal
34'>commit</a><a href='/guix/diff/gnu/packages/graph.scm?id=b87ed5780abd9ef108882d82bc36d53647d40734'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/graph.scm'>
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<div class='path'>path: <a href='/guix/log/?id=b87ed5780abd9ef108882d82bc36d53647d40734'>root</a>/<a href='/guix/log/gnu?id=b87ed5780abd9ef108882d82bc36d53647d40734'>gnu</a>/<a href='/guix/log/gnu/packages?id=b87ed5780abd9ef108882d82bc36d53647d40734'>packages</a>/<a href='/guix/log/gnu/packages/graph.scm?id=b87ed5780abd9ef108882d82bc36d53647d40734'>graph.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/graph.scm?id=b87ed5780abd9ef108882d82bc36d53647d40734&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-12-13 20:18:25 +0000'>2024-12-13</span></td><td><a href='/guix/commit/gnu/packages/graph.scm?id=6d97c15911a51d29f91e3656f9c4ab38e08d7f21'>gnu: Add python-setuptools/python-wheel where necessary.</a><span class='msg-avail'>...<span class='msg-tooltip'>Changes to pyproject-build-system require explicit dependency on
setuptools/wheel.

Change-Id: Icd7699fc1dc56e974ae7568f2ae916dbf876bea5
</span></span></td><td>Lars-Dominik Braun</td></tr>
<tr><td><span title='2024-12-13 20:15:41 +0000'>2024-12-13</span></td><td><a href='/guix/commit/gnu/packages/graph.scm?id=fdc0fefd46a45b70784a4e3f8900cbe593426a9e'>build-system/pyproject: Use python-sans-pip-wrapper as default-python.</a><span class='msg-avail'>...<span class='msg-tooltip'>Also adds python-setuptools and python-wheel to relevant packages,
either to native-inputs or to propagated inputs if the pkg_resources
Python module is loaded at runtime.

* guix/build-system/pyproject.scm (default-python): Default to
python-sans-pip-wrapper.

Change-Id: I2d986c2225114f54459dd6bb360913106e52cdf4
</span></span></td><td>Lars-Dominik Braun</td></tr>
<tr><td><span title='2024-09-25 18:07:41 +0200'>2024-09-25</span></td><td><a href='/guix/commit/gnu/packages/graph.scm?id=a2f7081df46ccf2332b28ef3cd8f20631bafc35a'>gnu: mscgen: Fix dependencies.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/graph.scm (mscgen)
[inputs]: Add fontconfig, freetype, libjpeg-turbo, libpng, zlib.

Change-Id: If185bcb2f786f6493c20040b47e93440987d7243
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Sébastien Lerique</td></tr>
<tr><td><span title='2024-08-31 10:42:19 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/graph.scm?id=f0c46d47cea9a2359ad3aead8e91406d6d82feb0'>gnu: python-graph-tool: Import the correct set of modules.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/graph.scm (python-graph-tool) [arguments]
&lt;modules&gt;: Replace %default-gnu-imported-modules with %default-gnu-modules.

Change-Id: I9d0d70a386e1131250feb16ab23089c66f6dec8e
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2024-08-31 10:42:16 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/graph.scm?id=f59df1aa3c104aabff3291f6b8b155fb01aebc06'>build-systems: gnu: Export %default-gnu-imported-modules and %default-gnu-mod...</a><span class='msg-avail'>...<span class='msg-tooltip'>Until now users would have to cargo cult or inspect the private
%default-modules variable of (guix build-systems gnu) to discover which
modules to include when extending the used modules via the #:modules argument.

The renaming was automated via the command:

  $ git grep -l %gnu-build-system-modules
    | xargs sed 's/%gnu-build-system-modules/%default-gnu-imported-modules/' -i

* guix/build-system/gnu.scm (%gnu-build-system-modules): Rename to...
(%default-gnu-imported-modules): ... this.
(%default-modules): Rename to...
(%default-gnu-modules): ... this.  Export.
(dist-package, gnu-build, gnu-cross-build): Adjust accordingly.

Change-Id: Idef307fff13cb76f3182d782b26e1cd3a5c757ee
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2024-05-05 22:38:18 +0200'>2024-05-05</span></td><td><a href='/guix/commit/gnu/packages/graph.scm?id=a4ad0a46efcea17390e0f6e3a9568597dab7af80'>gnu: python-graphtools: Fix tests.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/graph.scm (python-graphtools)[arguments]: Add 'patch-tests
phase.

Change-Id: I5ffb4321ddd7e33e812bcb1cf67cee069b07b5f8
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2024-05-05 22:38:18 +0200'>2024-05-05</span></td><td><a href='/guix/commit/gnu/packages/graph.scm?id=a4039b6994115f642cfec18ab5bba523909ee5e8'>gnu: python-pygsp: Add missing input.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/graph.scm (python-pygsp)[native-inputs]: Add python-pytest.

Change-Id: I94cd4e160dcbecfbb491c0d101bcbeb761189876
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2024-04-04 16:17:19 +0200'>2024-04-04</span></td><td><a href='/guix/commit/gnu/packages/graph.scm?id=6481610da9359ce1751ec6913e2b7d02eb727693'>gnu: igraph: Switch to openblas.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/graph.scm (igraph): Switch input dependency from
lapack to openblas.

Change-Id: Idcaada16496d2854cce7375b4d9fa647430206eb
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Romain GARBAGE</td></tr>
<tr><td><span title='2024-03-31 07:40:29 -0300'>2024-03-31</span></td><td><a href='/guix/commit/gnu/packages/graph.scm?id=d747d9e2dd273ce90a441d0e4428d15a8286e465'>gnu: python-plotly: Update to 5.20.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/graph.scm (python-plotly): Update to 5.20.0.

Change-Id: I0df931646677dbceb1fea7912781bc74e0207dcb
</span></span></td><td>Vinicius Monego</td></tr>