Before you start the upgrade, make sure to upgrade to the latest available 3.5.x version. This will make sure that you are building against the most recent dependencies of that line. Please take time ...

Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...