https://bugs.gentoo.org/805995
https://github.com/PyTables/PyTables/issues/735
https://sources.debian.org/src/pytables/3.6.1-5/debian/patches/0005-Skip-index-backcompat-tests-on-bingendian.patch/

From: Antonio Valentino <antonio.valentino@tiscali.it>
Date: Sat, 3 Aug 2019 16:22:13 +0000
Subject: Skip index backcompat tests on bingendian

Forwarded: not-needed
--- a/tables/tests/test_index_backcompat.py
+++ b/tables/tests/test_index_backcompat.py
@@ -6,8 +6,10 @@ from tables.tests.common import verbose
 from tables.tests.common import unittest, test_filename
 from tables.tests.common import PyTablesTestCase as TestCase
 
+import sys
 
 # Check indexes from PyTables version 2.0
+@unittest.skipIf(sys.byteorder != 'little', 'broken on big-endian')
 class IndexesTestCase(common.TestFileMixin, TestCase):
 
     def setUp(self):
@@ -145,11 +147,13 @@ class IndexesTestCase(common.TestFileMixin, TestCase):
 
 
 # Check indexes from PyTables version 2.0
+@unittest.skipIf(sys.byteorder != 'little', 'broken on big-endian')
 class Indexes2_0TestCase(IndexesTestCase):
     h5fname = test_filename("indexes_2_0.h5")
 
 
 # Check indexes from PyTables version 2.1
+@unittest.skipIf(sys.byteorder != 'little', 'broken on big-endian')
 class Indexes2_1TestCase(IndexesTestCase):
     h5fname = test_filename("indexes_2_1.h5")