[Mod] flake8 code improve

2019-11-10 16:20:20 +08:00 · 2019-11-10 16:20:20 +08:00 · 1cb8233755
commit 1cb8233755
parent 9a5cdbe3e8
2 changed files with 63 additions and 4 deletions
--- a/examples/spread_backtesting/backtesting.ipynb
+++ b/examples/spread_backtesting/backtesting.ipynb
--- a/vnpy/app/spread_trading/backtesting.py
+++ b/vnpy/app/spread_trading/backtesting.py
@ -1,5 +1,5 @@
 from collections import defaultdict
-from datetime import date, datetime, timedelta
+from datetime import date, datetime
 from typing import Callable, Type, Dict, List
 from functools import lru_cache

@ -756,4 +756,3 @@ def load_tick_data(
    return database_manager.load_tick_data(
        spread.name, Exchange.LOCAL, start, end
    )
-