Intermittent issue in feature_bip68_sequence.py: in test_sequence_lock_confirmed_inputs num_inputs = random.randint(1, min(10, available_utxos)): ValueError: empty range in randint(1, 0) #34205
Description
https://github.com/bitcoin/bitcoin/actions/runs/20722345957/job/59492260670?pr=34188#step:14:34425:
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node0 2026-01-05T18:28:42.795754Z [httpworker.1] [D:\a\bitcoin\bitcoin\src\rpc\request.cpp:243] [parse] [rpc] ThreadRPCServer method=getblockchaininfo user=__cookie__
node0 2026-01-05T18:28:42.796627Z [http] [D:\a\bitcoin\bitcoin\src\httpserver.cpp:307] [http_request_cb] [http] Received a POST request for / from 127.0.0.1:59122
node0 2026-01-05T18:28:42.796705Z [httpworker.0] [D:\a\bitcoin\bitcoin\src\rpc\request.cpp:243] [parse] [rpc] ThreadRPCServer method=getrawtransaction user=__cookie__
node0 2026-01-05T18:28:42.797538Z [http] [D:\a\bitcoin\bitcoin\src\httpserver.cpp:307] [http_request_cb] [http] Received a POST request for / from 127.0.0.1:59122
node0 2026-01-05T18:28:42.797608Z [httpworker.1] [D:\a\bitcoin\bitcoin\src\rpc\request.cpp:243] [parse] [rpc] ThreadRPCServer method=getblockchaininfo user=__cookie__
node0 2026-01-05T18:28:42.798538Z [http] [D:\a\bitcoin\bitcoin\src\httpserver.cpp:307] [http_request_cb] [http] Received a POST request for / from 127.0.0.1:59122
node0 2026-01-05T18:28:42.798612Z [httpworker.1] [D:\a\bitcoin\bitcoin\src\rpc\request.cpp:243] [parse] [rpc] ThreadRPCServer method=getblockchaininfo user=__cookie__
test 2026-01-05T18:28:42.799132Z TestFramework (ERROR): Unexpected exception
Traceback (most recent call last):
File "D:\a\bitcoin\bitcoin\build\test\functional\test_framework\test_framework.py", line 142, in main
self.run_test()
~~~~~~~~~~~~~^^
File "D:\a\bitcoin\bitcoin\build\test\functional\feature_bip68_sequence.py", line 66, in run_test
self.test_sequence_lock_confirmed_inputs()
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "D:\a\bitcoin\bitcoin\build\test\functional\feature_bip68_sequence.py", line 149, in test_sequence_lock_confirmed_inputs
num_inputs = random.randint(1, min(10, available_utxos))
File "C:\hostedtoolcache\windows\Python\3.14.2\x64\Lib\random.py", line 341, in randint
raise ValueError(f"empty range in randint({a}, {b})")
ValueError: empty range in randint(1, 0)