Exactly where OP omitted a self parameter for a method and bought a TypeError, use TypeError: approach() will take 1 positional argument but 2 were given alternatively. If OP omitted self. in the body of the strategy and got a NameError, think about How am i able to simply call https://wealth-preservation-strat43951.blogproducer.com/45175659/the-ultimate-guide-to-bullion-coins