chore: improve API server cleanup

freqtrade/rpc/api_server/webserver.py

@@ -12,6 +12,7 @@ from freqtrade.configuration import running_in_docker
 from freqtrade.constants import Config
 from freqtrade.exceptions import OperationalException
 from freqtrade.rpc.api_server.uvicorn_threaded import UvicornServer
+from freqtrade.rpc.api_server.webserver_bgwork import ApiBG
 from freqtrade.rpc.api_server.ws.message_stream import MessageStream
 from freqtrade.rpc.rpc import RPC, RPCException, RPCHandler
 from freqtrade.rpc.rpc_types import RPCSendMsg
@@ -86,6 +87,8 @@ class ApiServer(RPCHandler):
         """Cleanup pending module resources"""
         ApiServer._has_rpc = False
         del ApiServer._rpc
+        ApiBG.exchanges = {}
+        ApiBG.jobs = {}
         if self._server and not self._standalone:
             logger.info("Stopping API Server")
             # self._server.force_exit, self._server.should_exit = True, True