fix: random fail on parallel webserver requests

Author: xmatthias

freqtrade/resolvers/exchange_resolver.py

@@ -9,7 +9,7 @@
 import freqtrade.exchange as exchanges
 from freqtrade.constants import Config, ExchangeConfig
 from freqtrade.exchange import MAP_EXCHANGE_CHILDCLASS, Exchange
-from freqtrade.resolvers import IResolver
+from freqtrade.resolvers.iresolver import IResolver
 
 
 logger = logging.getLogger(__name__)

freqtrade/resolvers/strategy_resolver.py

@@ -16,7 +16,7 @@
 from freqtrade.constants import REQUIRED_ORDERTIF, REQUIRED_ORDERTYPES, USERPATH_STRATEGIES, Config
 from freqtrade.enums import TradingMode
 from freqtrade.exceptions import OperationalException
-from freqtrade.resolvers import IResolver
+from freqtrade.resolvers.iresolver import IResolver
 from freqtrade.strategy.interface import IStrategy