Small formatting upgrades

freqtrade/exceptions.py

@@ -1,5 +1,3 @@
-
-
 class FreqtradeException(Exception):
     """
     Freqtrade base exception. Handled at the outermost level.

freqtrade/strategy/hyper.py

@@ -292,7 +292,7 @@ def __init__(self, *, default: Optional[Any] = None,
                          load=load, **kwargs)
 
 
-class HyperStrategyMixin(object):
+class HyperStrategyMixin:
     """
     A helper base class which allows HyperOptAuto class to reuse implementations of buy/sell
      strategy logic.

freqtrade/strategy/interface.py

@@ -30,7 +30,7 @@
 CUSTOM_SELL_MAX_LENGTH = 64
 
 
-class SellCheckTuple(object):
+class SellCheckTuple:
     """
     NamedTuple for Sell type + reason
     """

freqtrade/wallets.py

@@ -73,7 +73,7 @@ def _update_dry(self) -> None:
             tot_profit = Trade.get_total_closed_profit()
         else:
             tot_profit = LocalTrade.total_profit
-        tot_in_trades = sum([trade.stake_amount for trade in open_trades])
+        tot_in_trades = sum(trade.stake_amount for trade in open_trades)
 
         current_stake = self.start_cap + tot_profit - tot_in_trades
         _wallets[self._config['stake_currency']] = Wallet(

scripts/rest_client.py

@@ -39,7 +39,7 @@ def __init__(self, serverurl, username=None, password=None):
     def _call(self, method, apipath, params: dict = None, data=None, files=None):
 
         if str(method).upper() not in ('GET', 'POST', 'PUT', 'DELETE'):
-            raise ValueError('invalid method <{0}>'.format(method))
+            raise ValueError(f'invalid method <{method}>')
         basepath = f"{self._serverurl}/api/v1/{apipath}"
 
         hd = {"Accept": "application/json",
@@ -124,7 +124,7 @@ def delete_lock(self, lock_id):
         :param lock_id: ID for the lock to delete
         :return: json object
         """
-        return self._delete("locks/{}".format(lock_id))
+        return self._delete(f"locks/{lock_id}")
 
     def daily(self, days=None):
         """Return the profits for each day, and amount of trades.
@@ -220,7 +220,7 @@ def trade(self, trade_id):
         :param trade_id: Specify which trade to get.
         :return: json object
         """
-        return self._get("trade/{}".format(trade_id))
+        return self._get(f"trade/{trade_id}")
 
     def delete_trade(self, trade_id):
         """Delete trade from the database.
@@ -229,7 +229,7 @@ def delete_trade(self, trade_id):
         :param trade_id: Deletes the trade with this ID from the database.
         :return: json object
         """
-        return self._delete("trades/{}".format(trade_id))
+        return self._delete(f"trades/{trade_id}")
 
     def whitelist(self):
         """Show the current whitelist.

tests/test_plotting.py

@@ -1,4 +1,3 @@
-
 from copy import deepcopy
 from pathlib import Path
 from unittest.mock import MagicMock