Mistake in covered call option tutorial backtest

[LouisSzeto]

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From community thread: https://www.quantconnect.com/forum/discussion/12504/covered-call-tutorial-mistake-quantconnect-com-tutorials-applied-options-covered-call/p1

The first embedded backtest was having a logic error on buying a covered call option instead of selling. The line self.MarketOrder(self.call, 1) should be self.MarketOrder(self.call, -1)