Improve some typehints

freqtrade/exchange/exchange.py

@@ -1388,8 +1388,7 @@ class Exchange:
         return pair, timeframe, candle_type, data
 
     def refresh_latest_ohlcv(self, pair_list: ListPairsWithTimeframes, *,
-                             since_ms: Optional[int] = None, cache: bool = True,
-                             candle_type: CandleType = CandleType.SPOT_
+                             since_ms: Optional[int] = None, cache: bool = True
                              ) -> Dict[PairWithTimeframe, DataFrame]:
         """
         Refresh in-memory OHLCV asynchronously and set `_klines` with the result
@@ -1398,7 +1397,6 @@ class Exchange:
         :param pair_list: List of 2 element tuples containing pair, interval to refresh
         :param since_ms: time since when to download, in milliseconds
         :param cache: Assign result to _klines. Usefull for one-off downloads like for pairlists
-        :param candle_type: '', mark, index, premiumIndex, or funding_rate
         :return: Dict of [{(pair, timeframe): Dataframe}]
         """
         logger.debug("Refreshing candle (OHLCV) data for %d pairs", len(pair_list))

freqtrade/plugins/pairlist/AgeFilter.py

@@ -9,6 +9,7 @@ import arrow
 from pandas import DataFrame
 
 from freqtrade.configuration import PeriodicCache
+from freqtrade.constants import ListPairsWithTimeframes
 from freqtrade.enums import CandleType
 from freqtrade.exceptions import OperationalException
 from freqtrade.misc import plural
@@ -72,7 +73,7 @@ class AgeFilter(IPairList):
         :param tickers: Tickers (from exchange.get_tickers()). May be cached.
         :return: new allowlist
         """
-        needed_pairs = [
+        needed_pairs: ListPairsWithTimeframes = [
             (p, '1d', CandleType.SPOT_) for p in pairlist
             if p not in self._symbolsChecked and p not in self._symbolsCheckFailed]
         if not needed_pairs:

freqtrade/plugins/pairlist/VolatilityFilter.py

@@ -11,6 +11,7 @@ import numpy as np
 from cachetools.ttl import TTLCache
 from pandas import DataFrame
 
+from freqtrade.constants import ListPairsWithTimeframes
 from freqtrade.enums import CandleType
 from freqtrade.exceptions import OperationalException
 from freqtrade.misc import plural
@@ -68,7 +69,8 @@ class VolatilityFilter(IPairList):
         :param tickers: Tickers (from exchange.get_tickers()). May be cached.
         :return: new allowlist
         """
-        needed_pairs = [(p, '1d', CandleType.SPOT_) for p in pairlist if p not in self._pair_cache]
+        needed_pairs: ListPairsWithTimeframes = [
+            (p, '1d', CandleType.SPOT_) for p in pairlist if p not in self._pair_cache]
 
         since_ms = (arrow.utcnow()
                          .floor('day')

freqtrade/plugins/pairlist/VolumePairList.py

@@ -10,6 +10,7 @@ from typing import Any, Dict, List
 import arrow
 from cachetools.ttl import TTLCache
 
+from freqtrade.constants import ListPairsWithTimeframes
 from freqtrade.enums import CandleType
 from freqtrade.exceptions import OperationalException
 from freqtrade.exchange import timeframe_to_minutes
@@ -160,7 +161,7 @@ class VolumePairList(IPairList):
             self.log_once(f"Using volume range of {self._lookback_period} candles, timeframe: "
                           f"{self._lookback_timeframe}, starting from {format_ms_time(since_ms)} "
                           f"till {format_ms_time(to_ms)}", logger.info)
-            needed_pairs = [
+            needed_pairs: ListPairsWithTimeframes = [
                 (p, self._lookback_timeframe, CandleType.SPOT_) for p in
                 [s['symbol'] for s in filtered_tickers]
                 if p not in self._pair_cache

freqtrade/plugins/pairlist/rangestabilityfilter.py

@@ -9,6 +9,7 @@ import arrow
 from cachetools.ttl import TTLCache
 from pandas import DataFrame
 
+from freqtrade.constants import ListPairsWithTimeframes
 from freqtrade.enums import CandleType
 from freqtrade.exceptions import OperationalException
 from freqtrade.misc import plural
@@ -66,7 +67,8 @@ class RangeStabilityFilter(IPairList):
         :param tickers: Tickers (from exchange.get_tickers()). May be cached.
         :return: new allowlist
         """
-        needed_pairs = [(p, '1d', CandleType.SPOT_) for p in pairlist if p not in self._pair_cache]
+        needed_pairs: ListPairsWithTimeframes = [
+            (p, '1d', CandleType.SPOT_) for p in pairlist if p not in self._pair_cache]
 
         since_ms = (arrow.utcnow()
                          .floor('day')