repro.py

import time
import threading


def foo():
    print('foo')


def bar():
    print('bar')


for func in [foo, bar]:

    def delayed():
        time.sleep(1)
        func()

    t = threading.Thread(target=delayed)
    t.daemon = True
    t.start()


def func():
    print('lol')


time.sleep(2)
# Output:
# lol
# lol