even smaller repro

old-commit-hash: 03dd430b7131da2b48243714df0513c6a1e594f0

manager.py

@@ -0,0 +1,31 @@
+import time
+import sys
+import signal
+import multiprocessing
+from python_process import main
+from setproctitle import setproctitle
+
+from system.manager.process_config import managed_processes
+
+
+def launcher():
+  setproctitle('python_process')
+  main()
+
+
+if __name__ == '__main__':
+  def signal_handler(sig, frame):
+    print('(fake) manager got signal', sig)
+    sys.exit()
+
+  # SystemExit on sigterm
+  signal.signal(signal.SIGTERM, signal_handler)
+
+  p = multiprocessing.Process(target=launcher, name='python_process')
+  try:
+    p.start()
+    # managed_processes['python_process'].start()
+    input('Press enter to stop the process')
+  finally:
+    p.kill()
+    # managed_processes['python_process'].stop()