Fix a test failure with recent versions of ... Pytest?  Python?

Taken from upstream:
https://github.com/keras-team/keras/commit/fe35050a8f18dc52304aa8da4e463eececa25240

diff --git a/tests/integration_tests/applications_test.py b/tests/integration_tests/applications_test.py
index 979f2f2abd6..6e3b57fa8e2 100644
--- a/tests/integration_tests/applications_test.py
+++ b/tests/integration_tests/applications_test.py
@@ -58,7 +58,8 @@ def _test_application_basic(app, last_dim=1000):
 def _test_application_notop(app, last_dim):
     output_shape = _get_output_shape(
         lambda: app(weights=None, include_top=False))
-    assert output_shape == (None, None, None, last_dim)
+    assert len(output_shape) == 4
+    assert output_shape[-1] == last_dim
 
 
 def test_mobilenet_v2_legacy_import():
n>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=6701d2323688d752cdf6e368499dd21f32fb9656'>refs</a><a class='active' href='/guix/log/ChangeLog'>log</a><a href='/guix/tree/ChangeLog?id=6701d2323688d752cdf6e368499dd21f32fb9656'>tree</a><a href='/guix/commit/ChangeLog?id=6701d2323688d752cdf6e368499dd21f32fb9656'>commit</a><a href='/guix/diff/ChangeLog?id=6701d2323688d752cdf6e368499dd21f32fb9656'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/ChangeLog'>
<input type='hidden' name='id' value='6701d2323688d752cdf6e368499dd21f32fb9656'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=6701d2323688d752cdf6e368499dd21f32fb9656'>root</a>/<a href='/guix/log/ChangeLog?id=6701d2323688d752cdf6e368499dd21f32fb9656'>ChangeLog</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/ChangeLog?id=6701d2323688d752cdf6e368499dd21f32fb9656&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
a34c64b948638ba7&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-06-26 22:59:55 +0200'>2024-06-26</span></td><td><a href='/guix/commit/etc/init.d?id=d11b96eb5493231a5a35045505ff8ae8aa746b8e'>etc: Add explicit ‘--substitute-urls’ in guix-daemon service files.</a><span class='msg-avail'>...<span class='msg-tooltip'>Having substitute URLs explicitly listed in the service startup file
makes it clearer what should be modified to permanently change the list
of substitute URLs.

* config-daemon.ac: Rename ‘guix_substitute_urls’ to
‘GUIX_SUBSTITUTE_URLS’ and substitute it.
* nix/local.mk (etc/guix-%.service, etc/init.d/guix-daemon)
(etc/guix-%.conf): Substitute it.
* etc/guix-daemon.conf.in, etc/guix-daemon.service.in,
etc/init.d/guix-daemon.in: Add an explicit ‘--substitute-urls’ option.

Change-Id: Ie491b7fab5c42e54dca582801c03805a85de2bf9
</span></span></td><td>Ludovic Courtès</td></tr>