Minor class cosmetics

freqtrade/configuration/timerange.py

@@ -7,7 +7,7 @@ from typing import Optional
 import arrow
 
 
-class TimeRange():
+class TimeRange:
     """
     object defining timerange inputs.
     [start/stop]type defines if [start/stop]ts shall be used.

freqtrade/data/dataprovider.py

@@ -17,7 +17,7 @@ from freqtrade.state import RunMode
 logger = logging.getLogger(__name__)
 
 
-class DataProvider():
+class DataProvider:
 
     def __init__(self, config: dict, exchange: Exchange) -> None:
         self._config = config

freqtrade/edge/__init__.py

@@ -28,7 +28,7 @@ class PairInfo(NamedTuple):
     avg_trade_duration: float
 
 
-class Edge():
+class Edge:
     """
     Calculates Win Rate, Risk Reward Ratio, Expectancy
     against historical data for a give set of markets and a strategy