get_top_drawdowns now checks if underwater is all 0, that is there is no drawdowns left, this prevents a possible out of bounds error in get_max_drawdown_underwater getting the peak value.

Author: Ildhesten

pyfolio/timeseries.py

@@ -963,7 +963,7 @@ def get_top_drawdowns(returns, top=10):
             underwater = underwater.loc[:peak]
 
         drawdowns.append((peak, valley, recovery))
-        if (len(returns) == 0) or (len(underwater) == 0):
+        if (len(returns) == 0) or (len(underwater) == 0) or np.min(underwater) == 0:
             break
 
     return drawdowns