From 3e84f5a2a05e57c7b8a186ccc36fd8d47093df2d 2016-07-29 16:10:02
From: Thomas Kluyver <thomas@kluyver.me.uk>
Date: 2016-07-29 16:10:02
Subject: [PATCH] Switch tkinter import based on Python version

Rather than try/except, which can cause issues if python-future is
installed.

Closes gh-9822

---

diff --git a/IPython/terminal/pt_inputhooks/tk.py b/IPython/terminal/pt_inputhooks/tk.py
index 24313a8..db205b0 100644
--- a/IPython/terminal/pt_inputhooks/tk.py
+++ b/IPython/terminal/pt_inputhooks/tk.py
@@ -40,10 +40,12 @@ will fix it for Tk.)
 """
 import time
 
+from IPython.utils.py3compat import PY3
+
 import _tkinter
-try:
+if PY3:
     import tkinter
-except ImportError:
+else:
     import Tkinter as tkinter  # Python 2
 
 def inputhook(inputhook_context):