pip trouble

[Neal Becker]

Chris Warrick wrote:

> On 30 October 2015 at 13:14, Neal Becker <ndbecker2 at gmail.com> wrote:
>> I have a custom-compiled numpy 1.10.0.  But as you see, pip wants to
>> install a new numpy, even though the requirement (numpy>=1.6) was already
>> satisfied. WTF?
>>
>> All are installed into --user.
>>
>> This is on fedora 22 linux.
>>
>> pip install --up --user matplotlib
>> Collecting matplotlib
>>   Using cached matplotlib-1.5.0.tar.gz
>> Collecting numpy>=1.6 (from matplotlib)
>>   Using cached numpy-1.10.1.tar.gz
>> Requirement already up-to-date: python-dateutil in
>> ./.local/lib/python2.7/site-packages (from matplotlib)
>> Collecting pytz (from matplotlib)
>>   Using cached pytz-2015.7-py2.py3-none-any.whl
>> Collecting cycler (from matplotlib)
>>   Using cached cycler-0.9.0-py2.py3-none-any.whl
>> Collecting pyparsing!=2.0.4,>=1.5.6 (from matplotlib)
>>   Using cached pyparsing-2.0.5-py2.py3-none-any.whl
>> Collecting six>=1.5 (from python-dateutil->matplotlib)
>>   Using cached six-1.10.0-py2.py3-none-any.whl
>> Installing collected packages: numpy, pytz, six, cycler, pyparsing,
>> matplotlib
>>   Found existing installation: numpy 1.10.0
>>     DEPRECATION: Uninstalling a distutils installed project (numpy) has
>>     been
>> deprecated and will be removed in a future version. This is due to the
>> fact that uninstalling a distutils project will only partially uninstall
>> the project.
>>     Uninstalling numpy-1.10.0:
>>       Successfully uninstalled numpy-1.10.0
>>   Running setup.py install for numpy
>>
>> --
>> https://mail.python.org/mailman/listinfo/python-list
> 
> You used --up (aka -U, --upgrade).  That option tries to upgrade the
> package you asked for *and* all dependencies. And since numpy 1.10.1
> is newer than what you have installed, pip will try to install that.
> 

How can I ask to upgrade just matplotlib, and not deps?