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Pip broken after upgrade. Cannot unsinstall or upgrade Pip or Python

I recently had tried to run a pip command and noticed my pip version was considerably out of date so upgraded it. This seems to have completely broken my pip install and I cannot figure out how to reset it.
$ pip3 --version
pip 8.1.1 from /usr/lib/python3/dist-packages (python 3.5)
You are using pip version 8.1.1, however version 22.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
$ pip3 install --upgrade pip
Collecting pip
Downloading https://files.pythonhosted.org/packages/f3/77/23152f90de45957b59591c34dcb39b78194eb67d088d4f8799e9aa9726c4/pip-22.1-py3-none-any.whl (2.1MB)
100% |████████████████████████████████| 2.2MB 505kB/s
Installing collected packages: pip
Successfully installed pip-8.1.1
You are using pip version 8.1.1, however version 22.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
$ pip3 --version
Traceback (most recent call last):
File "/usr/bin/pip3", line 11, in <module>
sys.exit(main())
File "/home/myname/.local/lib/python3.5/site-packages/pip/__init__.py", line 11, in main
from pip._internal.utils.entrypoints import _wrapper
File "/home/myname/.local/lib/python3.5/site-packages/pip/_internal/utils/entrypoints.py", line 12
f"pip{sys.version_info.major}",
^
SyntaxError: invalid syntax
This seems to come from this: https://github.com/pypa/pip/issues/9526
I can't seem to uninstall pip:
$ python3 -m pip uninstall pip
Traceback (most recent call last):
File "/usr/lib/python3.5/runpy.py", line 184, in _run_module_as_main
"__main__", mod_spec)
File "/usr/lib/python3.5/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/home/myname/.local/lib/python3.5/site-packages/pip/__main__.py", line 29, in <module>
from pip._internal.cli.main import main as _main
File "/home/myname/.local/lib/python3.5/site-packages/pip/_internal/cli/main.py", line 57
sys.stderr.write(f"ERROR: {exc}")
^
SyntaxError: invalid syntax
I'm on python3.5 and can't seem to upgrade that either:
$ sudo apt-get install python3.6
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package python3.6
E: Couldn't find any package by glob 'python3.6'
E: Couldn't find any package by regex 'python3.6'
I'm found a number of stackoverflow answers suggesting to use alternative repositories but they're not working either.
$ sudo add-apt-repository ppa:deadsnakes/ppa
$ sudo apt-get update
$ sudo apt-get install python3.6
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package python3.6
E: Couldn't find any package by glob 'python3.6'
E: Couldn't find any package by regex 'python3.6'
I've tried 3.6, 3.7, 3.8, 3.9 and 3.10 with the same results.
I've also found some stack overflow answers suggesting to edit /usr/bin/pip3
Originally it looks like this:
from pip import main
if __name__ == '__main__':
sys.exit(main())
I've tried this:
from pip._internal import __main__
if __name__ == '__main__':
sys.exit(main())
and this:
I've tried this:
from pip._internal import __main__
if __name__ == '__main__':
sys.exit(__main__._main())
But neither have resolved the issue.
To be sure i'm not messed up with a local version i've tried all of the above using /usr/bin/pip3 --version rather than just pip3 --version with the same results.
Now i'm at a bit of a loss how to get a working version of Python and Pip.
Suggestion from question:
$ sudo python3.5 -m easy_install pip
Searching for pip
Best match: pip 22.1
Adding pip 22.1 to easy-install.pth file
Installing pip3 script to /usr/local/bin
Installing pip3.10 script to /usr/local/bin
Installing pip script to /usr/local/bin
Using /home/myname/.local/lib/python3.5/site-packages
Processing dependencies for pip
Finished processing dependencies for pip
$ ls -lh /usr/local/bin/*pip*
-rwxr-xr-x 1 root root 361 May 12 19:49 /usr/local/bin/pip
-rwxr-xr-x 1 root root 363 May 12 19:49 /usr/local/bin/pip3
-rwxr-xr-x 1 root root 369 May 12 19:49 /usr/local/bin/pip3.10
All 3 return the same thing:
$ /usr/local/bin/pip --version
$ /usr/local/bin/pip3 --version
$ /usr/local/bin/pip3.10 --version
Traceback (most recent call last):
File "/usr/local/bin/pip", line 11, in <module>
load_entry_point('pip==22.1', 'console_scripts', 'pip')()
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 561, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2631, in load_entry_point
return ep.load()
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2291, in load
return self.resolve()
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2297, in resolve
module = __import__(self.module_name, fromlist=['__name__'], level=0)
File "/home/myname/.local/lib/python3.5/site-packages/pip/_internal/cli/main.py", line 57
sys.stderr.write(f"ERROR: {exc}")
^
I've now installed Python3.6 using "method two" from here: https://askubuntu.com/questions/1152640/apt-install-doesnt-install-python3-6 i.e. manual install
I've then upgraded pip using:
sudo python3.6 -m pip install pip --upgrade
Now pip --version and pip3 --version return an error but directly accessing the bin works:
$ /usr/local/bin/pip --version
pip 21.3.1 from /usr/local/lib/python3.6/site-packages/pip (python 3.6)
The aliases are currently pointing to:
$ which pip
/home/sortitoutsi/.local/bin/pip
$ which pip3
/home/sortitoutsi/.local/bin/pip3
It seems that other things are now broken, such as aws.
$ aws --help
Traceback (most recent call last):
File "/usr/local/bin/aws", line 19, in <module>
import awscli.clidriver
File "/usr/local/lib/python2.7/dist-packages/awscli/clidriver.py", line 17, in <module>
import botocore.session
File "/usr/local/lib/python2.7/dist-packages/botocore/session.py", line 29, in <module>
import botocore.configloader
File "/usr/local/lib/python2.7/dist-packages/botocore/configloader.py", line 19, in <module>
from botocore.compat import six
File "/usr/local/lib/python2.7/dist-packages/botocore/compat.py", line 26, in <module>
from dateutil.tz import tzlocal
File "/usr/local/lib/python2.7/dist-packages/dateutil/tz/__init__.py", line 1, in <module>
from .tz import *
File "/usr/local/lib/python2.7/dist-packages/dateutil/tz/tz.py", line 16, in <module>
from six import string_types, PY3
ImportError: No module named six
Simply reinstalling aws sudo python -m pip install awscli seemed to have fixed the above. I'm guessing a sudo apt-get update at some point forced an upgrade of awscli after finding an updated Python installation.

Do not try and install Python versions and packages (from another ppa) that are not supported by your OS. Your system may break.
Your attempted Pip installation is, luckily, in a local directory: $HOME/.local/. Check if there is anything else installed in $HOME/.local/bin/ and $HOME/.local/lib/python3.5/site-packages/. If nothing (or nothing that seems important), rename that directory:
mv ~/.local ~/.local_aside
Now, you should have the system Pip back again.
You may lose some other packages that you installed earlier (which would now be in ~/.local_aside, but possibly, you can reinstall those. Either with a system packages (e.g., python3-numpy), or again with pip3 install numpy and the like. Though pip may have trouble finding a correct NumPy version, since Python 3.5 is not supported anymore (the system package should be fine).
If you want to use a more recent version of Python, install a local (user-only) one. My preferred way of doing that is to use pyenv, which requires some set up (installing the necessary build packages). If you use pyenv, carefully read the installation instructions for your case. Once you get it going, you can quickly install any version of Python, and between minor versions, they won't even get in the way (that is, python3.9 -m pip install numpy will be a separate installation from python3.10 -m pip install numpy, and both can happily live next to each other if so wanted).
But don't use sudo and install it as a root: your system will get confused and may break.
Another alternative is Conda, in the form (my preference) of miniconda3. Conda can and will also install C library dependencies, and actively tries to resolve version conflicts between Python packages (in case you have to install a lot of packages). Again, browse the manual to get going, but it's relatively straightforward to use, and doesn't get in the way of your OS.

Ubuntu 16.04 pip seems broken

I was installing some packages, after that pip doesn't work anymore. Even if I try some command such as: sudo pip show requets I get this error.
Traceback (most recent call last):
File "/usr/local/bin/pip", line 7, in <module>
from pip import main
File "/usr/local/lib/python3.5/dist-packages/pip/__init__.py", line 28, in <module>
from pip.vcs import git, mercurial, subversion, bazaar # noqa
File "/usr/local/lib/python3.5/dist-packages/pip/vcs/subversion.py", line 9, in <module>
from pip.index import Link
File "/usr/local/lib/python3.5/dist-packages/pip/index.py", line 31, in <module>
from pip.wheel import Wheel, wheel_ext
File "/usr/local/lib/python3.5/dist-packages/pip/wheel.py", line 6, in <module>
import compileall
File "/usr/lib/python3.5/compileall.py", line 20, in <module>
from concurrent.futures import ProcessPoolExecutor
File "/usr/local/lib/python3.5/dist-packages/futures-3.1.1-py3.5.egg/concurrent/futures/__init__.py", line 8, in <module>
from concurrent.futures._base import (FIRST_COMPLETED,
File "/usr/local/lib/python3.5/dist-packages/futures-3.1.1-py3.5.egg/concurrent/futures/_base.py", line 381
raise exception_type, self._exception, self._traceback
^
SyntaxError: invalid syntax
Thanks anyways!

You seem to have installed the futures package on python3.5.
That is a python2 only backport of a python3.2+ package.
You need to delete /usr/local/lib/python3.5/dist-packages/futures-3.1.1-py3.5.egg then it should work again.
You don't need that package on python3.5, it is already included in the standard library.

You should try reinstalling pip if nothing else is working for you. Execute the following:
sudo apt-get install --reinstall python2.7
sudo apt-get purge python-pip
wget https://raw.github.com/pypa/pip/master/contrib/get-pip.py
sudo python get-pip.py
That should work. After doing that, run pip --version and please post the results.

Looks like your pip is broken, can you check pip version using pip --version and maybe upgrading pip to latest version might solve your problem, just try
sudo pip install --upgrade pip , now check pip version and if it still shows the old version try to recreate the simlink using ln -s /usr/local/bin/pip /usr/bin/

pip3 ImportError: cannot import name 'IncompleteRead'

Having trouble installing modules via pip3, tried several suggestions from top voted thread from Dec' 2014, but still getting the following:
sudo pip3 install send2trash
Traceback (most recent call last):
File "/usr/bin/pip3", line 9, in <module>
load_entry_point('pip==1.5.6', 'console_scripts', 'pip3')()
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 558, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2682, in load_entry_point
return ep.load()
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2355, in load
return self.resolve()
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2361, in resolve
module = __import__(self.module_name, fromlist=['__name__'], level=0)
File "/usr/lib/python3/dist-packages/pip/__init__.py", line 74, in <module>
from pip.vcs import git, mercurial, subversion, bazaar # noqa
File "/usr/lib/python3/dist-packages/pip/vcs/mercurial.py", line 9, in <module>
from pip.download import path_to_url
File "/usr/lib/python3/dist-packages/pip/download.py", line 25, in <module>
from requests.compat import IncompleteRead
ImportError: cannot import name 'IncompleteRead'
On Ubuntu 15.10; tried removing python 3 completely and reinstalling, still having issues. Help?
Edit: UPDATE: Tried using my bootable USB to repair Ubuntu and get back to original config and reinstalled via sudo apt-get install python3-pip, but now it generates a crash report saying:
Sorry, the application pip3 has unexpectedly crashed.

This seems to be an issue with pip's interaction with the requests package. requests dropped the IncompleteRead module but older versions of pip, which you have, still rely on it, newer versions don't.
You should try updating pip via easy_install-3.5 (if you have Python 3.5) or easy_install-3 for other versions:
sudo easy_install-3.5 -U pip
or:
sudo easy_install-3 -U pip
and you should be good to go.

Had similar error on Raspberry Pi. The solution was a combination of all proposals above:
sudo pip install --upgrade pip
sudo pip install --upgrade requests
sudo easy_install3 -U pip

It happened me when I tried to install a pip module to my Python3 installation. I mistakenly run pip instead of pip3 and it installed Python2 modules into Python3 installation. After that I realized command was wrong, I run pip3 this time. But, it was no good, installation was blown up, there were errors in Python2 like parenthesis missing in print statement(obviously this is an error for Python3). Eventually, it blown up my terminal too, I needed to install another terminal.
Like you did, I tried to install and reinstall everything, but it didn't work. Fix needed to be done manually. After trying several days and failing, I backed up my files and reinstalled Ubuntu.
I know this is not what you want, but maybe you can save your time by accepting that reinstalling the OS is the easiest solution.

Make sure you install newest versions of pip and requests:
pip install --upgrade pip
pip install --upgrade requests

ImportError: cannot import name HTTPSHandler installing get-pip.py

I'm getting this error when I try to install pip2.7.
I have python 2.7 as my default already, but I'm not sure why I'm getting this.
OS: CentOS 6.5
OpenSSL has been installed already.
I followed this guide to install Python 2.7:
http://toomuchdata.com/2014/02/16/how-to-install-python-on-centos/
[root#myservername arandomfolder]# python get-pip.py
Traceback (most recent call last):
File "get-pip.py", line 17474, in <module>
main()
File "get-pip.py", line 17466, in main
bootstrap(tmpdir=tmpdir)
File "get-pip.py", line 17406, in bootstrap
import pip
File "/tmp/tmpXq2wUP/pip.zip/pip/__init__.py", line 10, in <module>
File "/tmp/tmpXq2wUP/pip.zip/pip/util.py", line 18, in <module>
File "/tmp/tmpXq2wUP/pip.zip/pip/_vendor/distlib/version.py", line 14, in <module>
File "/tmp/tmpXq2wUP/pip.zip/pip/_vendor/distlib/compat.py", line 31, in <module>
ImportError: cannot import name HTTPSHandler

You have a Python without SSL support compiled. Unfortunately, get-pip appears to require SSL support.
If you are using a Linux distribution, make sure OpenSSL is installed, including the headers when compiling Python from source.

So looks like i was missing the openssl-devel dependency
after I had installed that, i was able to install this.

I was having this issue on a Centos 6.5 machine even though I had openssl and openssl-devel installed. I was also using the steps from the site:
http://toomuchdata.com/2014/02/16/how-to-install-python-on-centos/
I removed python packages I had installed before: virtualenv, NetworkX, and pil:
pip uninstall virtualenv
pip uninstall NetworkX
pip uninstall pil
Then I compiled Python 2.7 again and no longer had this issue. After I followed the steps in the link below, I reinstalled the above packages using pip2.7:
pip2.7 install virtualenv
pip2.7 install NetworkX
pip2.7 install pil --allow-external pil --allow-unverified pil

I have meet the same problem. I solved it by install openssl-devel and reconfigure, make, make install python3:
yum install openssl-devel
then go to the python3 directory:
./configure --with-zlib --with-openssl
make
make install

Please help a newbie install NLTK on Mac OS 10.5.8

I'm completely new to programming. I've been trying various ways to install NLTK on my Mac (running OS 10.5.8), and none of them is working. Please help! Here's what I've done so far.
Since at first I didn't realize that newer versions of Python required OS 10.6 or higher, I first tried to install the latest versions of both Python 3 and Python 2, but this obviously didn't work. I then cottoned on and found an older installation (the filename is python-2.7.6-macosx10.3.dmg), which installed successfully.
I then tried to follow the instructions on this page, which I copy below:
Install Setuptools: http://pypi.python.org/pypi/setuptools
Install Pip: run sudo easy_install pip
Install Numpy (optional): run sudo pip install -U numpy
Install PyYAML and NLTK: run sudo pip install -U pyyaml nltk
Test installation: run python then type import nltk
Steps 1 and 2 worked fine, but when I try steps 3 and 4, I get an error. The error is the same whether I try step 3 or step 4:
unknown0021E9E0E476:~ Tom$ sudo pip install -U numpy
Traceback (most recent call last):
File "/usr/local/bin/pip", line 8, in <module> load_entry_point('pip==1.4.1', 'console_scripts', 'pip')()
File "/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/pkg_resources.py", line 271, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/pkg_resources.py", line 2173, in load_entry_point
return ep.load()
File "/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/pkg_resources.py", line 1906, in loadentry = __import__(self.module_name, globals(),globals(), ['__name__'])
File "/Library/Python/2.5/site-packages/pip-1.4.1-py2.5.egg/pip/__init__.py", line 10, in <module>
from pip.util import get_installed_distributions, get_prog
File "/Library/Python/2.5/site-packages/pip-1.4.1-py2.5.egg/pip/util.py", line 17, in <module>
from pip.vendor.distlib import version
File "/Library/Python/2.5/site-packages/pip-1.4.1-py2.5.egg/pip/vendor/distlib/version.py", line 13, in <module>
from .compat import string_types
File "/Library/Python/2.5/site-packages/pip-1.4.1-py2.5.egg/pip/vendor/distlib/compat.py", line 276
return b''
^
SyntaxError: invalid syntax
I then found a different set of instructions on this page. It first has you install Xcode and MacPorts, which I did (again finding older versions compatible with 10.5.8). I got through the next few steps successfully: installed python27, made it the system default (sudo port select --set python python27), and installed the dependencies py27-numpy, py27-yaml, and py27-scipy. However, I can't install one needed package, py27-matplotlib. Here's what happens when I try:
unknown0021E9E0E476:~ Tom$ sudo port install py27-matplotlib
---> Computing dependencies for py27-matplotlib
---> Dependencies to be installed: py27-pyobjc-cocoa py27-pyobjc py27-six py27-tkinter tk Xft2 tcl xorg-libXScrnSaver xorg-scrnsaverproto py27-tornado py27-backports-ssl_match_hostname py27-backports
---> Staging py27-pyobjc into destroot
Error: org.macports.destroot for port py27-pyobjc returned: command execution failed
Error: Failed to install py27-pyobjc
Please see the log file for port py27-pyobjc for details:
/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_python_py-pyobjc/py27-pyobjc/main.log
Error: The following dependencies were not installed: py27-pyobjc-cocoa py27-pyobjc py27-six py27-tkinter tk Xft2 tcl xorg-libXScrnSaver xorg-scrnsaverproto py27-tornado py27-backports-ssl_match_hostname py27-backports
To report a bug, follow the instructions in the guide:
http://guide.macports.org/#project.tickets
Error: Processing of port py27-matplotlib failed
Without this package, I can't go on to install NLTK.
I've also tried installing NLTK in PyCharm, but that didn't work either: see this question. I'm at my wits' end here, so any help would be much appreciated!
ETA: Problem solved! I downloaded the tar.gz file from https://pypi.python.org/pypi/nltk and followed the install instructions in the package, and now I can import NLTK in the Python shell. Is it possible that I was simply trying to install things while in the wrong directory? (I'd still like to use NLTK in PyCharm, so answers to that question will still be welcome.)

Try installing the scipy package which includes matplotlib and numpy, I was a TA on a course where we used numpy and matplotlib quite a lot and using the scipy package to install was a solution for a lot of people.
The individual binary and source packages are available from: scipy docs
sudo port install py27-numpy py27-scipy py27-matplotlib py27-ipython +notebook py27-pandas py27-sympy py27-nose