def safe(self,x):
        """removes nans and infs from outputs."""
        x[np.isinf(x)] = 1
        x[np.isnan(x)] = 1
        return x
def safe ( self , x ) : x [ np . isinf ( x ) ] = 1 x [ np . isnan ( x ) ] = 1 return x
removes nans and infs from outputs.