/opt/imh-python/lib/python3.9/site-packages/zmq/tests
Edit: /opt/imh-python/lib/python3.9/site-packages/zmq/tests/test_ssh.py (234B)
from zmq.ssh.tunnel import select_random_ports
def test_random_ports():
for i in range(4096):
ports = select_random_ports(10)
assert len(ports) == 10
for p in ports:
assert ports.count(p) == 1