X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cbfc9df6768069f770bf8299fc0e6f528a92d4a8..46ff9bd5ddc9c55598eeeecfd8945a54a60cca65:/wxPython/wx/lib/buttonpanel.py

diff --git a/wxPython/wx/lib/buttonpanel.py b/wxPython/wx/lib/buttonpanel.py
index 703474a94b..d47b9c9482 100644
--- a/wxPython/wx/lib/buttonpanel.py
+++ b/wxPython/wx/lib/buttonpanel.py
@@ -974,8 +974,11 @@ class ButtonInfo(Control):
         self._shortHelp = shortHelp
         self._longHelp = longHelp
 
-        disabledbmp = GrayOut(bmp)
-
+        if bmp:
+            disabledbmp = GrayOut(bmp)
+        else:
+            disabledbmp = wx.NullBitmap
+            
         self._bitmaps = {"Normal": bmp, "Toggled": None, "Disabled": disabledbmp,
                          "Hover": None, "Pressed": None}