Arvados

Show the installed and candidate version of python-requests and python-pip
root@shell:~# apt-cache policy python-requests
python-requests:
Installed: 2.8.1
Candidate: 2.8.1
Version table: *** 2.8.1 0
500 http://apt.arvados.org/ jessie/main amd64 Packages
100 /var/lib/dpkg/status
2.8.0 0
500 http://apt.arvados.org/ jessie/main amd64 Packages
2.7.0 0
500 http://apt.arvados.org/ jessie/main amd64 Packages
2.4.3-6 0
500 http://mirrors.163.com/debian/ jessie/main amd64 Packages
root@shell:~# apt-cache policy python-pip
python-pip:
Installed: 1.5.6-5
Candidate: 1.5.6-5
Version table: *** 1.5.6-5 0
500 http://mirrors.163.com/debian/ jessie/main amd64 Packages
100 /var/lib/dpkg/status

pip is broken
root@shell:~# pip freeze
Traceback (most recent call last):
File "/usr/bin/pip", line 9, in <module>
load_entry_point('pip==1.5.6', 'console_scripts', 'pip')()
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 356, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2476, in load_entry_point
return ep.load()
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2190, in load
['__name__'])
File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 74, in <module>
from pip.vcs import git, mercurial, subversion, bazaar # noqa
File "/usr/lib/python2.7/dist-packages/pip/vcs/mercurial.py", line 9, in <module>
from pip.download import path_to_url
File "/usr/lib/python2.7/dist-packages/pip/download.py", line 25, in <module>
from requests.compat import IncompleteRead
ImportError: cannot import name IncompleteRead¶

Get the official stocked version
root@shell:~# apt-get install python-requests=2.4.3-6
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
python-cffi python-cryptography python-ndg-httpsclient python-openssl python-ply python-pycparser python-urllib3
Suggested packages:
python-dev python-cryptography-doc python-cryptography-vectors python-openssl-doc python-openssl-dbg python-ply-doc
The following NEW packages will be installed:
python-cffi python-cryptography python-ndg-httpsclient python-openssl python-ply python-pycparser python-urllib3
The following packages will be DOWNGRADED:
python-requests
0 upgraded, 7 newly installed, 1 downgraded, 0 to remove and 0 not upgraded.
Need to get 715 kB of archives.
After this operation, 1,134 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
... SKIPPING ...¶

It's working now
root@shell:~# pip freeze
Pillow==2.6.1
Pygments==2.0.1
SOAPpy==0.12.22
argparse==1.2.1
arvados-fuse==0.1.20150916213104
arvados-python-client==0.1.20151024192127
cffi==0.8.6
chardet==2.3.0
ciso8601==1.0.1
colorama==0.3.2
cryptography==0.6.1
defusedxml==0.4.1
... SKIPPING ...¶

Upgrade to the package provided by Arvados repository
root@shell:~# apt-get install python-requests
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
python-cffi python-cryptography python-ndg-httpsclient python-openssl python-ply python-pycparser python-urllib3
Use 'apt-get autoremove' to remove them.
The following packages will be upgraded:
python-requests
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
... SKIPPING ...¶

Broken again
root@shell:~# pip freeze
Traceback (most recent call last):
File "/usr/bin/pip", line 9, in <module>
load_entry_point('pip==1.5.6', 'console_scripts', 'pip')()
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 356, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2476, in load_entry_point
return ep.load()
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2190, in load
['__name__'])
File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 74, in <module>
from pip.vcs import git, mercurial, subversion, bazaar # noqa
File "/usr/lib/python2.7/dist-packages/pip/vcs/mercurial.py", line 9, in <module>
from pip.download import path_to_url
File "/usr/lib/python2.7/dist-packages/pip/download.py", line 25, in <module>
from requests.compat import IncompleteRead
ImportError: cannot import name IncompleteRead¶