Time Stop

def initialize(context):
    schedule_function(trade, date_rules.every_day(), time_rules.market_close(minutes=5))
    schedule_function(time_stop, date_rules.every_day(), time_rules.market_close(minutes=10))

    context.spy = sid(8554)
    context.counter = 0
    context.number_of_days_for_time_stop = 5 #We sell 5 days after we enter

def trade(context, data):
    #This function simply buys SPY
    order_target_percent(context.spy, 1.0)

def time_stop(context, data):
    #This function checks if we are long SPY,
    #If so it adds "1" to context.counter
    if context.portfolio.positions[context.spy].amount > 0:
        context.counter = context.counter + 1
        print(context.counter)

    #When context.counter equals "context.number_of_days_for_time_stop" we sell
    #Sets context.counter back to 0
    if context.counter == context.number_of_days_for_time_stop:
        order_target_percent(context.spy, 0.0)
        print('we are selling after X days')
        context.counter = 0