Merge branch 'dev' of https://github.com/vnpy/vnpy into dev

2018-05-13 13:42:36 +08:00 · 2018-05-13 13:42:36 +08:00 · e661a9f5d3
commit e661a9f5d3
parent 12d9957b80 dd332e8d94
1 changed files with 1 additions and 3 deletions
--- a/vnpy/pricing/crr.py
+++ b/vnpy/pricing/crr.py
@ -26,8 +26,6 @@ theta：当t变动1天时，price的变动（国内交易日每年240天）
 vega：当v涨跌1个点时，price的变动（如从16%涨到17%）
 '''

-from __future__ import division
-
 import numpy as np
 from math import (isnan, exp, sqrt, pow)