PR61: Added python shebangs

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75686 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

demo/Threads.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 
 import  random
 import  time
@@ -36,7 +37,7 @@ class CalcBarThread:
             # no manipulation of UI objects from the worker thread.
             evt = UpdateBarEvent(barNum = self.barNum, value = int(self.val))
             wx.PostEvent(self.win, evt)
- 
+
             sleeptime = (random.random() * 2) + 0.5
             time.sleep(sleeptime/4)
 
@@ -126,8 +127,6 @@ class GraphWindow(wx.Window):
         pass
 
 
-
-
 #----------------------------------------------------------------------
 
 class TestFrame(wx.Frame):
@@ -232,8 +231,6 @@ def runTest(frame, nb, log):
 
 
 
-
-
 overview = """\
 The main issue with multi-threaded GUI programming is the thread safty
 of the GUI itself.  On most platforms the GUI is not thread safe and