chore: update tests to modern typing syntax

tests/strategy/strats/freqai_rl_test_strat.py

@@ -1,6 +1,5 @@
 import logging
 from functools import reduce
-from typing import Dict
 
 import talib.abstract as ta
 from pandas import DataFrame
@@ -26,19 +25,19 @@ class freqai_rl_test_strat(IStrategy):
     can_short = False
 
     def feature_engineering_expand_all(
-        self, dataframe: DataFrame, period: int, metadata: Dict, **kwargs
+        self, dataframe: DataFrame, period: int, metadata: dict, **kwargs
     ):
         dataframe["%-rsi-period"] = ta.RSI(dataframe, timeperiod=period)
 
         return dataframe
 
-    def feature_engineering_expand_basic(self, dataframe: DataFrame, metadata: Dict, **kwargs):
+    def feature_engineering_expand_basic(self, dataframe: DataFrame, metadata: dict, **kwargs):
         dataframe["%-pct-change"] = dataframe["close"].pct_change()
         dataframe["%-raw_volume"] = dataframe["volume"]
 
         return dataframe
 
-    def feature_engineering_standard(self, dataframe: DataFrame, metadata: Dict, **kwargs):
+    def feature_engineering_standard(self, dataframe: DataFrame, metadata: dict, **kwargs):
         dataframe["%-day_of_week"] = dataframe["date"].dt.dayofweek
         dataframe["%-hour_of_day"] = dataframe["date"].dt.hour
 
@@ -49,7 +48,7 @@ class freqai_rl_test_strat(IStrategy):
 
         return dataframe
 
-    def set_freqai_targets(self, dataframe: DataFrame, metadata: Dict, **kwargs):
+    def set_freqai_targets(self, dataframe: DataFrame, metadata: dict, **kwargs):
         dataframe["&-action"] = 0
 
         return dataframe