PyColourChooser - event.X etc. no longer exists

I guess the capitalised versions got removed from the event API at some point.
This diff updates PyColourChooser to not use those removed properties.

Index: wx/lib/colourchooser/pycolourchooser.py

···

===================================================================
--- wx/lib/colourchooser/pycolourchooser.py (revision 64551)
+++ wx/lib/colourchooser/pycolourchooser.py (working copy)
@@ -342,7 +342,7 @@
        the selected colour values."""
        self.mouse_down = True
        self.palette.ReDraw()
- self.doPaletteClick(event.X, event.Y)
+ self.doPaletteClick(event.x, event.y)

    def onPaletteUp(self, event):
        """Stores state that the mouse is no longer depressed."""
@@ -352,7 +352,7 @@
        """Updates the colour values during mouse motion while the
        mouse button is depressed."""
        if self.mouse_down:
- self.doPaletteClick(event.X, event.Y)
+ self.doPaletteClick(event.x, event.y)

    def doPaletteClick(self, m_x, m_y):
        """Updates the colour values based on the mouse location

Thanks,

Euan.