我想让Ipython笔记本在新的Ubuntu安装上运行。我有一个问题，我无法通过谷歌搜索固定。当我在控制台中运行iptest时，lib失败。更具体地说：
~$ iptest lib
Test group: lib
.......................................F..........S......................
======================================================================
FAIL: testIPythonLexer (IPython.lib.tests.test_lexers.TestLexers)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/IPython/lib/tests/test_lexers.py", line 26, in testIPythonLexer
self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
AssertionError: Lists differ: [(Token.Operator, '!'), (Token... != [(Token.Operator, u'!'), (Toke...
First differing element 3:
(Token.Name.Variable, '$HOME')
(Token.Text, u'$')
Second list contains 1 additional elements.
First extra element 5:
(Token.Text, u'\n')
- [(Token.Operator, '!'),
+ [(Token.Operator, u'!'),
? +
- (Token.Name.Builtin, 'echo'),
+ (Token.Name.Builtin, u'echo'),
? +
- (Token.Text, ' '),
+ (Token.Text, u' '),
? +
- (Token.Name.Variable, '$HOME'),
+ (Token.Text, u'$'),
+ (Token.Text, u'HOME'),
- (Token.Text, '\n')]
+ (Token.Text, u'\n')]
? +
"""Fail immediately, with the given message."""
>> raise self.failureException("Lists differ: [(Token.Operator, '!'), (Token... != [(Token.Operator, u'!'), (Toke...\n\nFirst differing element 3:\n(Token.Name.Variable, '$HOME')\n(Token.Text, u'$')\n\nSecond list contains 1 additional elements.\nFirst extra element 5:\n(Token.Text, u'\\n')\n\n- [(Token.Operator, '!'),\n+ [(Token.Operator, u'!'),\n? +\n\n- (Token.Name.Builtin, 'echo'),\n+ (Token.Name.Builtin, u'echo'),\n? +\n\n- (Token.Text, ' '),\n+ (Token.Text, u' '),\n? +\n\n- (Token.Name.Variable, '$HOME'),\n+ (Token.Text, u'$'),\n+ (Token.Text, u'HOME'),\n- (Token.Text, '\\n')]\n+ (Token.Text, u'\\n')]\n? +\n")
----------------------------------------------------------------------
Ran 73 tests in 3.282s
FAILED (SKIP=1, failures=1)
______________________________________________________________________
Test suite completed for system with the following information:
IPython version: 4.0.3
IPython commit : 8ff8693 (installation)
IPython package: /usr/local/lib/python2.7/dist-packages/IPython
Python version : 2.7.6 (default, Jun 22 2015, 17:58:13) [GCC 4.8.2]
sys.executable : /usr/bin/python
Platform : Linux-3.19.0-47-generic-x86_64-with-Ubuntu-14.04-trusty
Tools and libraries available at test time:
matplotlib pygments sqlite3
Status: ERROR - 1 out of 1 test groups failed (lib). Took 4.901s.
You may wish to rerun these, with:
iptest lib
~$
有谁知道这意味着什么，我该如何解决？
感谢， Karsus