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import os
import sys
import threading
import traceback
NLOOPS = 50
NTHREADS = 30
def t1():
try:
from concurrent.futures import ThreadPoolExecutor
except Exception:
traceback.print_exc()
os._exit(1)
def t2():
try:
from concurrent.futures.thread import ThreadPoolExecutor
except Exception:
traceback.print_exc()
os._exit(1)
def main():
for j in range(NLOOPS):
threads = []
for i in range(NTHREADS):
threads.append(threading.Thread(target=t2 if i % 1 else t1))
for thread in threads:
thread.start()
for thread in threads:
thread.join()
sys.modules.pop('concurrent.futures', None)
sys.modules.pop('concurrent.futures.thread', None)
if __name__ == "__main__":
main()
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