Merge branch 'bug/1278' of https://github.com/pyfa-org/Pyfa into bug/1278

eos/db/saveddata/price.py

@@ -25,8 +25,10 @@ from eos.saveddata.price import Price
 
 prices_table = Table("prices", saveddata_meta,
                      Column("typeID", Integer, primary_key=True),
-                     Column("price", Float),
+                     Column("price", Float, default=0.0),
                      Column("time", Integer, nullable=False),
                      Column("failed", Integer))
 
-mapper(Price, prices_table)
+mapper(Price, prices_table, properties={
+    "_Price__price": prices_table.c.price,
+})

eos/saveddata/price.py

@@ -30,7 +30,7 @@ class Price(object):
     def __init__(self, typeID):
         self.typeID = typeID
         self.time = 0
-        self.price = 0
+        self.__price = 0
         self.failed = None
 
     @reconstructor
@@ -40,3 +40,11 @@ class Price(object):
     @property
     def isValid(self):
         return self.time >= time.time()
+
+    @property
+    def price(self):
+        return self.__price or 0.0
+
+    @price.setter
+    def price(self, price):
+        self.__price = price