Traceback (most recent call last):


 "/usr/lib/python3.5/subprocess.py", line 441, in <module>

import threading


 "/usr/lib/python3.5/threading.py", line 7, in <module>

from traceback import format_exc as _format_exc


 "/usr/lib/python3.5/traceback.py", line 5, in <module>

import linecache


 "/usr/lib/python3.5/linecache.py", line 11, in <module>

import tokenize


 "/home/july/PythonProjects/test/tokenize.py", line 3, in <module>

from nltk.tokenize import regexp_tokenize, wordpunct_tokenize, blankline_tokenize


 "/usr/local/lib/python3.5/dist-packages/nltk/tokenize/__init__.py", line 67, in <module>

from nltk.tokenize.mwe
import MWETokenizer


 "/usr/local/lib/python3.5/dist-packages/nltk/tokenize/mwe.py", line 31, in <module>

from nltk.util import Trie


 "/usr/local/lib/python3.5/dist-packages/nltk/util.py", line 15, in <module>

import pydoc


 "/usr/lib/python3.5/pydoc.py", line 76, in <module>

from traceback import format_exception_only
ImportError: cannot import name 'format_exception_only'

Traceback (most recent call last):

 "C:\Users\vagrant\src\master-env\lib\site-packages\nose\case.py", line 197, in runTest
self.test(*self.arg)

 "C:\Users\vagrant\src\tmp\scipy\scipy\sparse\linalg\eigen\arpack\tests\test_arpack.py", line 243, in eval_evec
eval, evec = eigs_func(ac, k, **kwargs)

 "C:\Users\vagrant\src\master-env\lib\site-packages\scipy\sparse\linalg\eigen\arpack\arpack.py", line 1277, in eigs
params.iterate()

 "C:\Users\vagrant\src\master-env\lib\site-packages\scipy\sparse\linalg\eigen\arpack\arpack.py", line 738, in iterate
self.workd[yslice] = self.OPa(self.workd[Bxslice])

 "C:\Users\vagrant\src\master-env\lib\site-packages\scipy\sparse\linalg\eigen\arpack\arpack.py", line 669, in <lambda>
self.OPa = lambda x: np.imag(Minv_matvec(x))

 "C:\Users\vagrant\src\master-env\lib\site-packages\scipy\sparse\linalg\interface.py", line 134, in matvec
y = self._matvec(x)

 "C:\Users\vagrant\src\master-env\lib\site-packages\scipy\sparse\linalg\eigen\arpack\arpack.py", line 996, in _matvec
b, info = self.ifunc(self.OP, x, tol=self.tol)

 "<string>", line 2, in gmres

 "C:\Users\vagrant\src\master-env\lib\site-packages\scipy\sparse\linalg\isolve\iterative.py", line 85, in non_reentrant
return func(*a, **kw)

 "C:\Users\vagrant\src\master-env\lib\site-packages\scipy\sparse\linalg\isolve\iterative.py", line 451, in gmres
revcom(b, x, restrt, work, work2, iter_, resid, info, ndx1, ndx2, ijob)ValueError: failed to initialize intent(inout) array -- input not fortran contiguous