Small fix in Figure2D.

nifty/operators/smoothing_operator/direct_smoothing_operator.py

@@ -53,7 +53,7 @@ class DirectSmoothingOperator(SmoothingOperator):
         wgt = []
         expfac = 1. / (2. * sigma*sigma)
         for i in range(x.size):
-            if nval[i]>0:
+            if nval[i] > 0:
                 t = x[ibegin[i]:ibegin[i]+nval[i]]-x[i]
                 t = np.exp(-t*t*expfac)
                 t *= 1./np.sum(t)

nifty/plotting/figures/figure_2D.py

@@ -25,10 +25,6 @@ class Figure2D(FigureFromPlot):
                     xaxis = False if (xaxis is None) else xaxis
                     yaxis = False if (yaxis is None) else yaxis
 
-            else:
-                width = None
-                height = None
-
         super(Figure2D, self).__init__(plots, title, width, height)
         self.xaxis = xaxis
         self.yaxis = yaxis