move event loop to globals.py

core/core/globals.py

@@ -2,7 +2,7 @@ import asyncio
 import logging
 import signal
 
-loop = None
+loop = asyncio.get_event_loop()
 
 
 def create_task(coro):
@@ -24,7 +24,6 @@ async def shutdown(sig, loop):
 
 def init_loop():
     global loop
-    loop = asyncio.get_event_loop()
     loop.add_signal_handler(signal.SIGTERM, lambda: asyncio.create_task(shutdown(signal.SIGTERM, loop)))
     loop.add_signal_handler(signal.SIGINT, lambda: asyncio.create_task(shutdown(signal.SIGINT, loop)))
     return loop

core/server.py

@@ -9,7 +9,7 @@ import uvicorn
 
 django.setup()
 
-from helper import init_loop
+from core.globals import init_loop
 from mail.protocol import LMTPHandler
 from mail.socket import UnixSocketLMTPController