Traceback (most recent call last):

 "//anaconda/lib/python2.7/site-packages/nose/loader.py", line 414, in loadTestsFromName
addr.filename, addr.module)

 "//anaconda/lib/python2.7/site-packages/nose/importer.py", line 47, in importFromPath
return self.importFromDir(dir_path, fqname)

 "//anaconda/lib/python2.7/site-packages/nose/importer.py", line 94, in importFromDir
mod = load_module(part_fqname, fh, filename, desc)

 "//anaconda/lib/python2.7/site-packages/sklearn/tree/__init__.py", line 6, in <module>
from .tree import DecisionTreeClassifier

 "//anaconda/lib/python2.7/site-packages/sklearn/tree/tree.py", line 27, in <module>
from ..feature_selection.from_model import _LearntSelectorMixin

 "//anaconda/lib/python2.7/site-packages/sklearn/feature_selection/__init__.py", line 20, in <module>
from .rfe import RFE

 "//anaconda/lib/python2.7/site-packages/sklearn/feature_selection/rfe.py", line 17, in <module>
from ..cross_validation import _check_cv as check_cv

 "//anaconda/lib/python2.7/site-packages/sklearn/cross_validation.py", line 32, in <module>
from .metrics.scorer import check_scoring

 "//anaconda/lib/python2.7/site-packages/sklearn/metrics/__init__.py", line 31, in <module>
from . import cluster

 "//anaconda/lib/python2.7/site-packages/sklearn/metrics/cluster/__init__.py", line 21, in <module>
from .bicluster import consensus_score

 "//anaconda/lib/python2.7/site-packages/sklearn/metrics/cluster/bicluster/__init__.py", line 1, in <module>
from .bicluster_metrics import consensus_score

 "//anaconda/lib/python2.7/site-packages/sklearn/metrics/cluster/bicluster/bicluster_metrics.py", line 6, in <module>
from sklearn.utils.validation import check_arraysImportError: cannot import name check_arrays
Traceback (most recent call last):

 "/root/repo/git-cola/cola/widgets/startup.py", line 149, in open_bookmark
self.repodir = ustr(self.bookmarks_model.data(index).toString())
AttributeError: 'str' object has no attribute 'toString'