Fix the Fourier in WX demo

WX crashes if EXPAND is passed with an alignment option.

Author: QuLogic

examples/user_interfaces/fourier_demo_wx_sgskip.py

@@ -75,10 +75,10 @@ def __init__(self, parent, label, param):
 
         sizer = wx.BoxSizer(wx.HORIZONTAL)
         sizer.Add(self.sliderLabel, 0,
-                  wx.EXPAND | wx.ALIGN_CENTER | wx.ALL,
+                  wx.EXPAND | wx.ALL,
                   border=2)
         sizer.Add(self.sliderText, 0,
-                  wx.EXPAND | wx.ALIGN_CENTER | wx.ALL,
+                  wx.EXPAND | wx.ALL,
                   border=2)
         sizer.Add(self.slider, 1, wx.EXPAND)
         self.sizer = sizer
@@ -115,9 +115,9 @@ def __init__(self, *args, **kwargs):
         sizer = wx.BoxSizer(wx.VERTICAL)
         sizer.Add(self.canvas, 1, wx.EXPAND)
         sizer.Add(self.frequencySliderGroup.sizer, 0,
-                  wx.EXPAND | wx.ALIGN_CENTER | wx.ALL, border=5)
+                  wx.EXPAND | wx.ALL, border=5)
         sizer.Add(self.amplitudeSliderGroup.sizer, 0,
-                  wx.EXPAND | wx.ALIGN_CENTER | wx.ALL, border=5)
+                  wx.EXPAND | wx.ALL, border=5)
         panel.SetSizer(sizer)
 
     def createCanvas(self, parent):