remove most of Python2 compatibility code

samples/doodle/superdoodle.py

@@ -11,8 +11,7 @@ implemented using an wx.html.HtmlWindow.
 
 import sys
 import os
-
-from six.moves import cPickle as pickle
+import pickle
 
 import wx
 import wx.html

samples/floatcanvas/DrawBot.py

@@ -14,7 +14,6 @@ I think it's easier with FloatCavnas, and you get zoomign and scrolling to boot!
 """
 
 import wx
-from six import moves
 from math import *
 
 try: # see if there is a local FloatCanvas to use
@@ -54,7 +53,7 @@ class DrawFrame(wx.Frame):
         Canvas = self.Canvas
         phi = (sqrt(5) + 1)/2 - 1
         oradius = 10.0
-        for i in moves.xrange(720):
+        for i in range(720):
             radius = 1.5 * oradius * sin(i * pi/720)
             Color = (255*(i / 720.), 255*( i / 720.), 255 * 0.25)
             x = oradius + 0.25*i*cos(phi*i*2*pi)

samples/html2/webview_sample.py

@@ -1,6 +1,6 @@
 import sys
 import os
-from six import BytesIO
+from io import BytesIO
 
 import wx
 import wx.html2 as webview

samples/printing/printing.py

@@ -1,5 +1,3 @@
-from __future__ import print_function
-
 import wx
 import os
 

samples/roses/clroses.py

@@ -36,8 +36,6 @@
 # ideal Roses program should be, however, callers are welcome to assert their
 # independence, override defaults, ignore features, etc.
 
-from __future__ import print_function
-
 from math import sin, cos, pi
 
 # Rose class knows about:

samples/roses/wxroses.py

@@ -68,8 +68,6 @@
 # control the display (without blocking the user's control) would be pretty
 # straightforward.
 
-from __future__ import print_function
-
 import wx
 import clroses
 import wx.lib.colourselect as cs

samples/simple/events.py

@@ -1,5 +1,3 @@
-from __future__ import print_function
-
 import wx
 
 print(wx.version())