Extract Class refactoring complete

Siddharta Govindaraj · Siddharta Govindaraj · commit fffe4b54fe1e · 2015-03-23T12:36:27.000+05:30
diff --git a/stock_alerter/stock.py b/stock_alerter/stock.py
@@ -1,12 +1,8 @@
-import bisect
-import collections
 from datetime import timedelta
 from enum import Enum
 
 from .timeseries import TimeSeries
 
-PriceEvent = collections.namedtuple("PriceEvent", ["timestamp", "price"])
-
 
 class StockSignal(Enum):
     buy = 1
@@ -20,7 +16,6 @@ class Stock:
 
     def __init__(self, symbol):
         self.symbol = symbol
-        self.price_history = []
         self.history = TimeSeries()
 
     @property
@@ -33,7 +28,6 @@ def price(self):
     def update(self, timestamp, price):
         if price < 0:
             raise ValueError("price should not be negative")
-        bisect.insort_left(self.price_history, PriceEvent(timestamp, price))
         self.history.update(timestamp, price)
 
     def is_increasing_trend(self):
