Update algos.py

Removed white space on empty lines.

bt/algos.py

@@ -1685,11 +1685,11 @@ class CorporateActions(Algo):
     This Algo can be used to model dividend flows and share splits. This
     allows the backtest to be run using unadjusted price data and to get
     historically correct transactions (position sizes and commissions).
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+
     Security positions are adjusted on dates where a split value other than
     1.0 is given. A value above 1.0 causes the position size to increase
     (compared to the previous date) and vice versa.
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     On a given date, a position on a security causes a cash inflow (when
     long) or outflow (when short) given by the size of the position times
     the amount in the `dividends` dataframe. Cash adjustments are made on