tweaked import, not sure why it was failing. split scientific python requirements into a separate file

data/sources/equity.py

@@ -12,7 +12,7 @@ from pymongo import ASCENDING, DESCENDING
 
 from backtest.util import *
 
-from qbt_server import connect_db
+from qbt_server import * #connect_db
 
 class DataSource(object):
     def __init__(self, feed, source_id):
@@ -107,4 +107,4 @@ class RandomEquityTrades(DataSource):
    
        
         
-        
+