[pypy-issue] Issue #2604: lib-python/2.7/test/test_os.py::URandomFDTests fails, when os.urandom can use the getrandom syscall (pypy/pypy)

[Herwig Hochleitner]

New issue 2604: lib-python/2.7/test/test_os.py::URandomFDTests fails, when os.urandom can use the getrandom syscall
https://bitbucket.org/pypy/pypy/issues/2604/lib-python-27-test-test_ospy

Herwig Hochleitner:

This doesn't show up in the portable binary, because that uses `/dev/urandom`. When building on NixOS, pypy uses _getrandom, causing that test to fail. see `rpython/rlib/rurandom.py`