minor changes to viewer/gui.py

diff --git a/viewer/gui.py b/viewer/gui.py
index d635572..7a9650f 100755 (executable)
--- a/viewer/gui.py
+++ b/viewer/gui.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 """
 Example to draw a cursor and report the data coords in wx
 """
@@ -68,4 +70,4 @@ class App(wx.App):
 
 if __name__=='__main__':
     app = App(0)
-    app.MainLoop()
\ No newline at end of file
+    app.MainLoop()