random_subposet does not use set_random_seed

[jm58660]

For example

P=Poset({'a':['b']})
for i in range(1,10):
    set_random_seed(42)
    print P.random_subposet(0.5)

shows this behaviour. Should use sage.misc.prandom.

CC: @nathanncohen

Component: combinatorics

Author: Jori Mäntysalo

Branch/Commit: d6d8f05

Reviewer: Nathann Cohen

Issue created by migration from https://trac.sagemath.org/ticket/17037

[jm58660]

Branch: u/jmantysalo/random_subposet_does_not_use_set_random_seed

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

d6d8f05

Arghs, again other code within same file. Corrected.

[sagetrac-git]

Commit: d6d8f05

[jm58660]

Author: Jori Mäntysalo

[jm58660]

comment:4

This was a simple fix.

[nathanncohen]

Reviewer: Nathann Cohen

[vbraun]

Changed branch from u/jmantysalo/random_subposet_does_not_use_set_random_seed to d6d8f05