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python 3.x - pip3 install not working - No module named 'pip._vendor.pkg_resources'

When trying to install a package for Python 3 (in Ubuntu), using pip3 install packageName (or sudo pip3 install packageName), I get the following error message:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/pip/_vendor/__init__.py", line 33, in vendored
    __import__(vendored_name, globals(), locals(), level=0)
ImportError: No module named 'pip._vendor.pkg_resources'

I have been reading for days and have tried the following WITHOUT any success:

  1. Un-installing and re-installing pip3 using the following code: sudo apt-get remove python3-pip followed by sudo apt-get install python3-pip. This was suggested in several posts that say that sometimes pip3 doesn't install properly for Ubuntu. However, it didn't work.
  2. Other post suggested it was an ssl package problem and that if the ssl package doesn't load on Python3, that's the issue. However the following command does not raise any error: python3 -c "import ssl".
  3. Some other post suggested the problem was with the requests package. I then tried sudo apt-get remove python3-requests followed by sudo apt-get install python3-requests also to no avail.

Other information you may need:

  • pip3 --version gives me the same error reported above.
  • dpkg -L python3-pip gives me the following information:

    /.
    /usr
    /usr/lib
    /usr/lib/python3
    /usr/lib/python3/dist-packages
    /usr/lib/python3/dist-packages/pip-8.1.1.egg-info
    /usr/lib/python3/dist-packages/pip-8.1.1.egg-info/PKG-INFO
    /usr/lib/python3/dist-packages/pip-8.1.1.egg-info/dependency_links.txt
    /usr/lib/python3/dist-packages/pip-8.1.1.egg-info/not-zip-safe
    /usr/lib/python3/dist-packages/pip-8.1.1.egg-info/requires.txt
    /usr/lib/python3/dist-packages/pip-8.1.1.egg-info/entry_points.txt
    /usr/lib/python3/dist-packages/pip-8.1.1.egg-info/top_level.txt
    /usr/lib/python3/dist-packages/pip
    /usr/lib/python3/dist-packages/pip/baseparser.py
    /usr/lib/python3/dist-packages/pip/__main__.py
    /usr/lib/python3/dist-packages/pip/req
    /usr/lib/python3/dist-packages/pip/req/req_set.py
    /usr/lib/python3/dist-packages/pip/req/req_install.py
    /usr/lib/python3/dist-packages/pip/req/__init__.py
    /usr/lib/python3/dist-packages/pip/req/req_file.py
    /usr/lib/python3/dist-packages/pip/req/req_uninstall.py
    /usr/lib/python3/dist-packages/pip/index.py
    /usr/lib/python3/dist-packages/pip/status_codes.py
    /usr/lib/python3/dist-packages/pip/utils
    /usr/lib/python3/dist-packages/pip/utils/setuptools_build.py
    /usr/lib/python3/dist-packages/pip/utils/appdirs.py
    /usr/lib/python3/dist-packages/pip/utils/outdated.py
    /usr/lib/python3/dist-packages/pip/utils/ui.py
    /usr/lib/python3/dist-packages/pip/utils/logging.py
    /usr/lib/python3/dist-packages/pip/utils/encoding.py
    /usr/lib/python3/dist-packages/pip/utils/deprecation.py
    /usr/lib/python3/dist-packages/pip/utils/__init__.py
    /usr/lib/python3/dist-packages/pip/utils/filesystem.py
    /usr/lib/python3/dist-packages/pip/utils/hashes.py
    /usr/lib/python3/dist-packages/pip/utils/build.py
    /usr/lib/python3/dist-packages/pip/compat
    /usr/lib/python3/dist-packages/pip/compat/dictconfig.py
    /usr/lib/python3/dist-packages/pip/compat/__init__.py
    /usr/lib/python3/dist-packages/pip/compat/ordereddict.py
    /usr/lib/python3/dist-packages/pip/models
    /usr/lib/python3/dist-packages/pip/models/index.py
    /usr/lib/python3/dist-packages/pip/models/__init__.py
    /usr/lib/python3/dist-packages/pip/vcs
    /usr/lib/python3/dist-packages/pip/vcs/bazaar.py
    /usr/lib/python3/dist-packages/pip/vcs/subversion.py
    /usr/lib/python3/dist-packages/pip/vcs/mercurial.py
    /usr/lib/python3/dist-packages/pip/vcs/__init__.py
    /usr/lib/python3/dist-packages/pip/vcs/git.py
    /usr/lib/python3/dist-packages/pip/cmdoptions.py
    /usr/lib/python3/dist-packages/pip/basecommand.py
    /usr/lib/python3/dist-packages/pip/commands
    /usr/lib/python3/dist-packages/pip/commands/completion.py
    /usr/lib/python3/dist-packages/pip/commands/install.py
    /usr/lib/python3/dist-packages/pip/commands/hash.py
    /usr/lib/python3/dist-packages/pip/commands/uninstall.py
    /usr/lib/python3/dist-packages/pip/commands/__init__.py
    /usr/lib/python3/dist-packages/pip/commands/list.py
    /usr/lib/python3/dist-packages/pip/commands/search.py
    /usr/lib/python3/dist-packages/pip/commands/show.py
    /usr/lib/python3/dist-packages/pip/commands/download.py
    /usr/lib/python3/dist-packages/pip/commands/wheel.py
    /usr/lib/python3/dist-packages/pip/commands/freeze.py
    /usr/lib/python3/dist-packages/pip/commands/help.py
    /usr/lib/python3/dist-packages/pip/_vendor
    /usr/lib/python3/dist-packages/pip/_vendor/__init__.py
    /usr/lib/python3/dist-packages/pip/operations
    /usr/lib/python3/dist-packages/pip/operations/__init__.py
    /usr/lib/python3/dist-packages/pip/operations/freeze.py
    /usr/lib/python3/dist-packages/pip/__init__.py
    /usr/lib/python3/dist-packages/pip/locations.py
    /usr/lib/python3/dist-packages/pip/pep425tags.py
    /usr/lib/python3/dist-packages/pip/exceptions.py
    /usr/lib/python3/dist-packages/pip/download.py
    /usr/lib/python3/dist-packages/pip/wheel.py
    /usr/share
    /usr/share/man
    /usr/share/man/man1
    /usr/share/man/man1/pip3.1.gz
    /usr/share/doc
    /usr/share/doc/python3-pip
    /usr/share/doc/python3-pip/copyright
    /usr/bin
    /usr/bin/pip3
    /usr/share/doc/python3-pip/changelog.Debian.gz
    

How can I make pip3 work?

NOTE: pip for Python2 works just fine.

================================================

EDIT:

  1. When trying to import setuptools in Python3 I get the following error:
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
      File "/usr/lib/python3/dist-packages/setuptools/__init__.py", line 11, in <module>
        from setuptools.extern.six.moves import filterfalse, map
      File "/usr/lib/python3/dist-packages/setuptools/extern/__init__.py", line 1, in <module>
        from pkg_resources.extern import VendorImporter
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2927, in <module>
        @_call_aside
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2913, in _call_aside
        f(*args, **kwargs)
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2952, in _initialize_master_working_set
        add_activation_listener(lambda dist: dist.activate())
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 956, in subscribe
        callback(dist)
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2952, in <lambda>
        add_activation_listener(lambda dist: dist.activate())
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2515, in activate
        declare_namespace(pkg)
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2097, in declare_namespace
        _handle_ns(packageName, path_item)
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2047, in _handle_ns
        _rebuild_mod_path(path, packageName, module)
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2066, in _rebuild_mod_path
        orig_path.sort(key=position_in_sys_path)
    AttributeError: '_NamespacePath' object has no attribute 'sort'
  1. When running the following command sed -n '31,37p' < /usr/lib/python3/dist-packages/pip/_vendor/__init__.py in the terminal, I get the following:

    try:
        __import__(vendored_name, globals(), locals(), level=0)
    except ImportError:
        try:
            __import__(modulename, globals(), locals(), level=0)
        except ImportError:
    

===========================================

EDIT2:

My python3 --version is Python 3.5.2.

List of installed packages obtained running the code ls /usr/lib/python3/dist-packages.

apport
apport_python_hook.py
apt
aptdaemon
apt_inst.cpython-35m-x86_64-linux-gnu.so
apt_pkg.cpython-35m-x86_64-linux-gnu.so
aptsources
AptUrl
apturl-0.5.2.egg-info
beautifulsoup4-4.4.1.egg-info
blinker
blinker-1.3.egg-info
Brlapi-0.6.4.egg-info
brlapi.cpython-35m-x86_64-linux-gnu.so
bs4
cairo
_cffi_backend.cpython-35m-x86_64-linux-gnu.so
chardet
chardet-2.3.0.egg-info
checkbox_support
checkbox_support-0.22.egg-info
CommandNotFound
command_not_found-0.3.egg-info
cryptography
cryptography-1.2.3.egg-info
cups.cpython-35m-x86_64-linux-gnu.so
cupsext.cpython-35m-x86_64-linux-gnu.so
curl
cycler-0.9.0.egg-info
cycler.py
dateutil
dbus
_dbus_bindings.cpython-35m-x86_64-linux-gnu.so
_dbus_glib_bindings.cpython-35m-x86_64-linux-gnu.so
deb822.py
debconf.py
debian
debian_bundle
decorator-4.0.6.egg-info
decorator.py
defer
defer-1.0.6.egg-info
DistUpgrade
easy_install.py
feedparser-5.1.3.egg-info
feedparser.py
feedparser_sgmllib3.py
gi
guacamole
guacamole-0.9.2.egg-info
hpmudext.cpython-35m-x86_64-linux-gnu.so
html5lib
html5lib-0.999.egg-info
httplib2
httplib2-0.9.1.egg-info
idna
idna-2.0.egg-info
janitor
jinja2
Jinja2-2.8.egg-info
jwt
LanguageSelector
language_selector-0.1.egg-info
language_support_pkgs.py
louis
louis-2.6.4.egg-info
lsb_release.py
lxml
lxml-3.5.0.egg-info
mako
Mako-1.0.3.egg-info
markupsafe
MarkupSafe-0.23.egg-info
matplotlib
matplotlib-1.5.1.egg-info
matplotlib-1.5.1-nspkg.pth
mpl_toolkits
networkx
networkx-1.11.egg-info
numexpr
numexpr-2.4.3.egg-info
numpy
numpy-1.11.0.egg-info
NvidiaDetector
oauthlib
oauthlib-1.0.3.egg-info
Onboard
onboard-1.2.0.egg-info
orca
padme
padme-1.1.1.egg-info
pandas
pandas-0.17.1.egg-info
pcardext.cpython-35m-x86_64-linux-gnu.so
pexpect
pexpect-4.0.1.egg-info
PIL
Pillow-3.1.2.egg-info
pip
pip-8.1.1.egg-info
pkg_resources
plotly
plotly-1.9.5.egg-info
problem_report.py
ptyprocess
ptyprocess-0.5.egg-info
pyasn1
pyasn1-0.1.9.egg-info
pyatspi
__pycache__
pycups-1.9.73.egg-info
pycurl-7.43.0.egg-info
pycurl.cpython-35m-x86_64-linux-gnu.so
pygobject-3.20.0.egg-info
pygtkcompat
PyJWT-1.3.0.egg-info
pylab.py
pyparsing-2.0.3.egg-info
pyparsing.py
python_apt-1.1.0.b1_ubuntu0.16.04.1.egg-info
python_dateutil-2.4.2.egg-info
python_debian-0.1.27.egg-info
python_systemd-231.egg-info
pytz
pytz-2014.10.egg-info
pyxdg-0.25.egg-info
PyYAML-3.11.egg-info
Quirks
reportlab
reportlab-3.3.0.egg-info
requests
requests-2.9.1.egg-info
scanext.cpython-35m-x86_64-linux-gnu.so
scipy
scipy-0.17.0.egg-info
sessioninstaller
sessioninstaller-0.0.0.egg-info
setuptools
setuptools-20.7.0.egg-info
six-1.10.0.egg-info
six.py
softwareproperties
speechd
speechd_config
systemd
system_service-0.3.egg-info
tables
tables-3.2.2.egg-info
UbuntuDrivers
ubuntu_drivers_common-0.0.0.egg-info
UbuntuSystemService
ufw
ufw-0.35.egg-info
unattended_upgrades-0.1.egg-info
unity_scope_calculator-0.1.egg-info
unity_scope_chromiumbookmarks-0.1.egg-info
unity_scope_colourlovers-0.1.egg-info
unity_scope_devhelp-0.1.egg-info
unity_scope_firefoxbookmarks-0.1.egg-info
unity_scope_gdrive-0.7.egg-info
unity_scope_manpages-0.1.egg-info
unity_scope_openclipart-0.1.egg-info
unity_scope_texdoc-0.1.egg-info
unity_scope_tomboy-0.1.egg-info
unity_scope_virtualbox-0.1.egg-info
unity_scope_yelp-0.1.egg-info
unity_scope_zotero-0.1.egg-info
unohelper.py
uno.py
UpdateManager
urllib3
urllib3-1.13.1.egg-info
usbcreator
usb_creator-0.3.0.egg-info
wheel
wheel-0.29.0.egg-info
xdg
xdiagnose
xdiagnose

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1 Reply

0 votes
by (71.8m points)

This solved it for me:

curl -sS https://bootstrap.pypa.io/get-pip.py | sudo python3

try use virtualenv for every specific project not messing with ubuntu subsystem.


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