Fix exception on exchange shutdown

2021-12-31 11:21:02 +01:00
parent 78ccaae318
commit 39f8c5719b
2 changed files with 4 additions and 1 deletions
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -170,7 +170,9 @@ class Exchange:

    def close(self):
        logger.debug("Exchange object destroyed, closing async loop")
-        if self._api_async and inspect.iscoroutinefunction(self._api_async.close):
+        if (self._api_async and inspect.iscoroutinefunction(self._api_async.close)
+                and self._api_async.session):
+            logger.info("Closing async ccxt session.")
            asyncio.get_event_loop().run_until_complete(self._api_async.close())

    def _init_ccxt(self, exchange_config: Dict[str, Any], ccxt_module: CcxtModuleType = ccxt,