Fix test on s390x using Debian patch

force-little-endian-random.patch

@@ -0,0 +1,19 @@
+Author: Diane Trout <diane@ghic.org>
+Description: Force initializing the random seed with the same
+ byte order interpretation as on x86.
+
+Index: dask-2023.8.0+dfsg/dask/utils.py
+===================================================================
+--- dask-2023.8.0+dfsg.orig/dask/utils.py
++++ dask-2023.8.0+dfsg/dask/utils.py
+@@ -426,7 +426,9 @@ def random_state_data(n: int, random_sta
+         random_state = np.random.RandomState(random_state)
+ 
+     random_data = random_state.bytes(624 * n * 4)  # `n * 624` 32-bit integers
+-    l = list(np.frombuffer(random_data, dtype=np.uint32).reshape((n, -1)))
++    dt = np.dtype(np.uint32)
++    dt = dt.newbyteorder("<")
++    l = list(np.frombuffer(random_data, dtype=dt).reshape((n, -1)))
+     assert len(l) == n
+     return l
+ 

python-dask.spec

@@ -26,6 +26,8 @@ Patch:          0002-Skip-coverage-testing.patch
 Patch:          0003-TST-Increase-maximum-for-sizeof-test-to-pass-32-bit.patch
 # https://github.com/dask/dask/pull/10451
 Patch:          0004-Fix-test_pandas_timestamp_overflow_pyarrow-condition.patch
+# https://github.com/dask/dask/issues/10423
+Patch:          https://salsa.debian.org/python-team/packages/dask/-/raw/08ffea1b7b53e9c71c9a926d5786288c2e6c1b5b/debian/patches/force-little-endian-random.patch
 
 %description
 Dask is a flexible parallel computing library for analytics.