careful coercion to list #6
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list(pool_list) will probably not have the intended result. list(...) accepts an iterable as its argument. Given a string, it will list each character; if given a numeric, it will assert that it is not iterable. [pool_list] or list((pool_list, )) will probably do what is expected.
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list(pool_list) will probably not have the intended result. list(...) accepts an iterable as its argument. Given a string, it will list each character; if given a numeric, it will assert that it is not iterable. [pool_list] or list((pool_list, )) will probably do what is expected.