What is causing ImportError No module named pkg resources after upgrade of Python on os X

Question

I just updated Python to 2 6 4 on my Mac   I installed from the dmg package   The binary did not seem to correctly set my Python path  so I added   usr local lib python2 6 site-packages  in  bash profile   gt  gt  gt  pprint pprint sys path           Users Bryan work django-trunk      usr local lib python2 6 site-packages       Library Frameworks Python framework Versions 2 6 lib python26 zip       Library Frameworks Python framework Versions 2 6 lib python2 6       Library Frameworks Python framework Versions 2 6 lib python2 6 plat-darwin       Library Frameworks Python framework Versions 2 6 lib python2 6 plat-mac       Library Frameworks Python framework Versions 2 6 lib python2 6 plat-mac lib-scriptpackages       Library Frameworks Python framework Versions 2 6 lib python2 6 lib-tk       Library Frameworks Python framework Versions 2 6 lib python2 6 lib-old       Library Frameworks Python framework Versions 2 6 lib python2 6 lib-dynload       Library Frameworks Python framework Versions 2 6 lib python2 6 site-packages     Apparently that is not all the required paths because I can t run iPython     ipython   Traceback  most recent call last       File   usr local bin ipython   line 5  in  lt module gt      from pkg resources import load entry point   ImportError  No module named  pkg resources    I ve done Google searches and I can t really figure out how to install pkg resources or make sure it s on the path   What do I need to do to fix this

User · Answer

Try this only if you are ok with uninstalling python  I uninstalled python using brew uninstall python  then later installed using brew install python  then it worked

User · Answer

UPDATE  TL DR pkg resources is provided by either Distribute or setuptools     UPDATE 2  As announced at PyCon 2013  the Distribute and setuptools projects have re-merged   Distribute is now deprecated and you should just use the new current setuptools    Try this   curl -O https   bitbucket org pypa setuptools raw bootstrap ez setup py python ez setup py   Or  better  use a current pip as the high level interface and which will use setuptools under the covers    Longer answer for OP s specific problem    You don t say in your question but I m assuming you upgraded from the Apple-supplied Python  2 5 on 10 5 or 2 6 1 on 10 6  or that you upgraded from a python org Python 2 5   In any of those cases  the important point is that each Python instance has its own library  including its own site-packages library  which is where additional packages are installed   And none of them use  usr local lib by default  by the way   That means you ll need to install those additional packages you need for your new python 2 6   The easiest way to do this is to first ensure that the new python2 6 appears first on your search  PATH  that is  typing python2 6 invokes it as expected   the python2 6 installer should have modified your  bash profile to put its framework bin directory at the front of  PATH   Then install easy install using setuptools following the instructions there   The pkg resources module is also automatically installed by this step   Then use the newly-installed version of easy install  or pip  to install ipython   easy install ipython   or  pip install ipython   It should automatically get installed to the correct site-packages location for that python instance and you should be good to go

User · Answer

On my system  OSX 10 6  that package is at    System Library Frameworks Python framework Versions 2 6 Extras lib python pkg resources py   I hope that helps you figure out if it s missing or just not on your path

User · Answer

I encountered the same ImportError  Somehow the setuptools package had been deleted in my Python environment   To fix the issue  run the setup script for setuptools   curl https   bitbucket org pypa setuptools raw bootstrap ez setup py   python   If you have any version of distribute  or any setuptools below 0 6  you will have to uninstall it first    See Installation Instructions for further details       If you already have a working distribute  upgrading it to the  compatibility wrapper  that switches you over to setuptools is easier  But if things are already broken  don t try that

User · Answer

In my case  package python-pygments was missed  You can fix it by command   sudo apt-get install python-pygments  If there is problem with pandoc  You should install pandoc and pandoc-citeproc   sudo apt-get install pandoc pandoc-citeproc

User · Answer

I realize this is not related to OSX  but on an embedded system  Beagle Bone Angstrom  I had the exact same error message  Installing the following ipk packages solved it   opkg install python-setuptools opkg install python-pip

User · Answer

I got this error on Ubuntu  and the following worked for me   Removed the dropbox binaries and download them again  by running   sudo rm -rf  var lib dropbox  dropbox-dist dropbox start -i

User · Answer

In case of upgrading your python on mac os 10 7 and pkg resources doesn t work  the simplest way to fix this is just reinstall setuptools as Ned mentioned above   sudo pip install setuptools --upgrade or sudo easy install install setuptools --upgrade

User · Answer

The reason might be because the IPython module is not in your PYTHONPATH   If you donwload IPython and then do   python setup py install   The setup doesn t add the module IPython to your python path   You might want to add it to your PYTHONPATH manually  It should work after you do    export PYTHONPATH  pathtoIPython  PYTHONPATH  Add this line in your  bashrc or  profile to make it permanent

User · Answer

I encountered with the same problem when i am working on autobahn related project    1     So I download the setuptools -0 9 8 tar gz form https   pypi python org packages source s setuptools  and extract it    2     Then i get the pkg resources module and copy it to the folder where it needed     in my case that folder was C  Python27 Lib site-packages autobahn

[python] What is causing ImportError: No module named pkg_resources after upgrade of Python on os X?

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