Fix #4332. Fix flicker in wx* backends

mdboom · mdboom · commit 0167f9a001cb · 2015-10-29T11:42:49.000-04:00
diff --git a/lib/matplotlib/backends/backend_wx.py b/lib/matplotlib/backends/backend_wx.py
@@ -834,9 +834,6 @@ def gui_repaint(self, drawDC=None, origin='WX'):
                 # not called from OnPaint use a ClientDC
                 drawDC = wx.ClientDC(self)
 
-            # ensure that canvas has no 'left' over stuff when resizing frame
-            drawDC.Clear()
-
             # following is for 'WX' backend on Windows
             # the bitmap can not be in use by another DC,
             # see GraphicsContextWx._cache
