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Issue - Execution Timeout on symbols

any friend can help me...

i want to simulate a long term algo based on my_pool = symbols('AMZN','MSFT','AAPL','FB','GOOG','GS','BRK_B','TWTR','WFC','V'), when i choose the testing start data from 2016-1-1, everything Ok. when i choose a starting date before some date for example 2002-1-1, it will show "execution timeout" without any other indication on where is the problem.

i guess it is due to the existence of certain stocks, e.g. BRK_B hadn't IPO before 2011.

is there any way to make the algo robust, can auto skip the non-ipo code?

thanks a lot.


i find another issue quickly - the test which is OK 5 minutes ago, turns to be "execution timeout" when test again even with nothing changed..


rebuild after 2 mins with nothing changed, it passed again:) really strange.