bug#67606: python-pexpect 4.8.0 test failure on aarch64-linux

[Maxim Cournoyer <maxim.cournoyer@gmail.com>]

Hi,

Found looking at the recent ansible-core failure on that platform:
https://ci.guix.gnu.org/build/2701581/details

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======================================================================
ERROR: test_existing_spawn (tests.test_replwrap.REPLWrapTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/guix-build-python-pexpect-4.8.0.drv-0/pexpect-4.8.0/tests/test_replwrap.py", line 93, in test_existing_spawn
    res = repl.run_command("echo $HOME")
  File "/tmp/guix-build-python-pexpect-4.8.0.drv-0/pexpect-4.8.0/pexpect/replwrap.py", line 107, in run_command
    raise ValueError("Continuation prompt found - input was incomplete:\n"
ValueError: Continuation prompt found - input was incomplete:
echo $HOME

----------------------------------------------------------------------
Ran 70 tests in 37.439s

FAILED (errors=1)
ok
test_03_users (passlib.tests.test_apache.HtpasswdFileTest)
HtpasswdFile: test users() ... ok
test_04_check_password (passlib.tests.test_apache.HtpasswdFileTest)
HtpasswdFile: test check_password() ... error: in phase 'check': uncaught exception:
%exception #<&invoke-error program: "nosetests" arguments: ("-v") exit-status: 1 term-signal: #f stop-signal: #f> 
phase `check' failed after 44.3 seconds
command "nosetests" "-v" failed with status 1
builder for `/gnu/store/s15lmnv7srq0b8bxmxnvg0x5zfgli251-python-pexpect-4.8.0.drv' failed with exit code 1
@ build-failed /gnu/store/s15lmnv7srq0b8bxmxnvg0x5zfgli251-python-pexpect-4.8.0.drv - 1 builder for `/gnu/store/s15lmnv7srq0b8bxmxnvg0x5zfgli251-python-pexpect-4.8.0.drv' failed with exit code 1
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-- 
Thanks,
Maxim