Bug#861173: python-dogpile.cache: Non-determistically FTBFS due to unreliable timing in tests

[Chris Lamb]

Source: python-dogpile.cache
Version: 0.6.2-4
Severity: serious
Justification: fails to build from source
User: reproducible-builds at lists.alioth.debian.org
Usertags: ftbfs
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org

Dear Maintainer,

python-dogpile.cache's testsuite appears to use method
timing/benchmarking in such  a way that it will non-deterministically
FTBFS:

  […]

  =================================== FAILURES ===================================
  _____ ConcurrencyTest.test_get_value_plus_created_registry_safe_cache_slow _____
  Traceback (most recent call last):
    File "/build/1st/python-dogpile.cache-0.6.2/tests/test_lock.py", line 60, in 
  test_get_value_plus_created_registry_safe_cache_slow
      cache_expire_time='safe'
    File "/build/1st/python-dogpile.cache-0.6.2/tests/test_lock.py", line 272, in _test_multi
      expected_slow_waiters
  AssertionError: Number of slow waiters 14 exceeds expected slow waiters 12

  […]

The full build log is attached or can be viewed here:

    https://tests.reproducible-builds.org/debian/logs/unstable/i386/python-dogpile.cache_0.6.2-4.build1.log.gz


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      lamby at debian.org / chris-lamb.co.uk
       `-
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