Introduce freqtrade.typing

freqtrade/pairlist/pairlistmanager.py

@@ -3,22 +3,19 @@ PairList manager class
 """
 import logging
 from copy import deepcopy
-from typing import Dict, List, Tuple
+from typing import Dict, List
 
 from cachetools import TTLCache, cached
 
 from freqtrade.exceptions import OperationalException
 from freqtrade.pairlist.IPairList import IPairList
 from freqtrade.resolvers import PairListResolver
+from freqtrade.typing import ListPairsWithTimeframes
 
 
 logger = logging.getLogger(__name__)
 
 
-# List of pairs with their timeframes
-ListPairsWithTimeframes = List[Tuple[str, str]]
-
-
 class PairListManager():
 
     def __init__(self, exchange, config: dict) -> None: