From 4da382511b4de5dcea9e0397bac6e64ce8764906 2014-01-06 18:28:02
From: Thomas Kluyver <takowl@gmail.com>
Date: 2014-01-06 18:28:02
Subject: [PATCH] Fix EvalFormatter test for Python 3.4

Changes to string formatting mean slicing in EvalFormatter now works.

---

diff --git a/IPython/utils/tests/test_text.py b/IPython/utils/tests/test_text.py
index 5a9eb21..96e714a 100644
--- a/IPython/utils/tests/test_text.py
+++ b/IPython/utils/tests/test_text.py
@@ -16,6 +16,7 @@ from __future__ import print_function
 import os
 import math
 import random
+import sys
 
 import nose.tools as nt
 
@@ -108,7 +109,12 @@ def eval_formatter_no_slicing_check(f):
     s = f.format('{stuff[slice(1,4)]}', **ns)
     nt.assert_equal(s, 'ell')
     
-    nt.assert_raises(SyntaxError, f.format, "{a[:]}")
+    if sys.version_info >= (3, 4):
+        # String formatting has changed in Python 3.4, so this now works.
+        s = f.format("{a[:]}", a=[1, 2])
+        nt.assert_equal(s, "[1, 2]")
+    else:
+        nt.assert_raises(SyntaxError, f.format, "{a[:]}")
 
 def test_eval_formatter():
     f = text.EvalFormatter()