On Jun 09 2016, Larry Hastings <larry@hastings.org> wrote:

Nope, I want the old behavior back.  os.urandom() should read
/dev/random if getrandom() would block.  As the British say, "it
should do what it says on the tin".

Aeh, what the tin says is "return random bytes".

A read from the /dev/urandom device will not block waiting for more entropy.  If there is not sufficient entropy, a pseudorandom number generator is used to create the requested bytes.