remove python2 import statement

examples/IPython Kernel/gui/gui-tk.py

@@ -1,36 +1,34 b''
 #!/usr/bin/env python
 """Simple Tk example to manually test event loop integration.
 
 This is meant to run tests manually in ipython as:
 
 In [5]: %gui tk
 
 In [6]: %run gui-tk.py
 """
 
-try:
-    from tkinter import *  # Python 3
-except ImportError:
-    from Tkinter import *  # Python 2
+from tkinter import * 
+
 
 class MyApp:
 
     def __init__(self, root):
         frame = Frame(root)
         frame.pack()
 
         self.button = Button(frame, text="Hello", command=self.hello_world)
         self.button.pack(side=LEFT)
 
     def hello_world(self):
         print("Hello World!")
 
 root = Tk()
 
 app = MyApp(root)
 
 try:
     from IPython.lib.inputhook import enable_gui
     enable_gui('tk', root)
 except ImportError:
     root.mainloop()