Hi

1. why is it NOT executing buy orders based on the filters given?

2. Iteration over the asset is deprecated. How do I apply proper migration?

Thanks in advance

def initialize(context):  
    context.limit = 10  
def before_trading_start(context):  
    context.fundamentals= get_fundamentals(  
        query(  
            fundamentals.valuation_ratios.pb_ratio,  
            fundamentals.valuation_ratios.pe_ratio  
            # put your query in here by typing "fundamentals."  
        )  
        .filter(  
            fundamentals.valuation_ratios.pe_ratio < 14  
            # put your filters here  
       .filter(  
            fundamentals.valuation_ratios.pb_ratio < 2  
            # put your filters here  
        )  
        .order_by(  
            fundamentals.valuation.market_cap.desc()  
            # sort your query  
        )  
        .limit(context.limit)  
    )  
def handle_data(context, data):  
        #context:tracking info about our portfolio  
        #data: referts to the universe  
      cash = context.portfolio.cash  
      current_position = context.portfolio.positions  
      for stock in data:  
        current_position = context.portfolio.positions[stock].amount  
        stock_price = data[stock].price  
        plausible_investment = cash/10.0  
        share_amount = int(plausible_investment/stock_price)  
        try:  
            if stock_price < plausible_investment:  
                if current_position == 0:  
                    if context.fundamentals[stock]['pe_ratio'] < 11:  
                        order(stock, share_amount)  
        except Exception as e:  
            print(str(e))